diff --git a/src/components/moderation/ConflictResolutionDialog.tsx b/src/components/moderation/ConflictResolutionDialog.tsx
index 2a8177f5..485922fe 100644
--- a/src/components/moderation/ConflictResolutionDialog.tsx
+++ b/src/components/moderation/ConflictResolutionDialog.tsx
@@ -6,6 +6,8 @@ import { Label } from '@/components/ui/label';
 import { Alert, AlertDescription } from '@/components/ui/alert';
 import { AlertCircle } from 'lucide-react';
 import { type DependencyConflict, type SubmissionItemWithDeps } from '@/lib/submissionItemsService';
+import { useToast } from '@/hooks/use-toast';
+import { useAuth } from '@/hooks/useAuth';
 
 interface ConflictResolutionDialogProps {
   open: boolean;
@@ -23,6 +25,8 @@ export function ConflictResolutionDialog({
   onResolve,
 }: ConflictResolutionDialogProps) {
   const [resolutions, setResolutions] = useState<Record<string, string>>({});
+  const { toast } = useToast();
+  const { user } = useAuth();
 
   const handleResolutionChange = (itemId: string, action: string) => {
     setResolutions(prev => ({ ...prev, [itemId]: action }));
@@ -32,10 +36,44 @@ export function ConflictResolutionDialog({
     conflict => resolutions[conflict.itemId]
   );
 
-  const handleApply = () => {
-    // TODO: Apply resolutions
-    onResolve();
-    onOpenChange(false);
+  const handleApply = async () => {
+    if (!user?.id) {
+      toast({
+        title: 'Authentication Required',
+        description: 'You must be logged in to resolve conflicts',
+        variant: 'destructive',
+      });
+      return;
+    }
+
+    const { resolveConflicts } = await import('@/lib/conflictResolutionService');
+    
+    try {
+      const result = await resolveConflicts(conflicts, resolutions, items, user.id);
+      
+      if (!result.success) {
+        toast({
+          title: 'Resolution Failed',
+          description: result.error || 'Failed to resolve conflicts',
+          variant: 'destructive',
+        });
+        return;
+      }
+      
+      toast({
+        title: 'Conflicts Resolved',
+        description: 'All conflicts have been resolved successfully',
+      });
+      
+      onResolve();
+      onOpenChange(false);
+    } catch (error: any) {
+      toast({
+        title: 'Error',
+        description: error.message || 'Failed to resolve conflicts',
+        variant: 'destructive',
+      });
+    }
   };
 
   return (
diff --git a/src/components/moderation/SubmissionReviewManager.tsx b/src/components/moderation/SubmissionReviewManager.tsx
index ff737f67..ab8834d1 100644
--- a/src/components/moderation/SubmissionReviewManager.tsx
+++ b/src/components/moderation/SubmissionReviewManager.tsx
@@ -288,7 +288,10 @@ export function SubmissionReviewManager({
         onOpenChange={setShowConflictDialog}
         conflicts={conflicts}
         items={items}
-        onResolve={handleApprove}
+        onResolve={async () => {
+          await loadSubmissionItems();
+          await handleApprove();
+        }}
       />
 
       <EscalationDialog
diff --git a/src/lib/conflictResolutionService.ts b/src/lib/conflictResolutionService.ts
new file mode 100644
index 00000000..975f55d9
--- /dev/null
+++ b/src/lib/conflictResolutionService.ts
@@ -0,0 +1,292 @@
+import { supabase } from '@/integrations/supabase/client';
+import { updateSubmissionItem, type SubmissionItemWithDeps, type DependencyConflict } from './submissionItemsService';
+
+export interface ResolutionResult {
+  success: boolean;
+  updatedSelections?: Set<string>;
+  error?: string;
+}
+
+/**
+ * Main conflict resolution processor
+ */
+export async function resolveConflicts(
+  conflicts: DependencyConflict[],
+  resolutions: Record<string, string>,
+  items: SubmissionItemWithDeps[],
+  userId: string
+): Promise<ResolutionResult> {
+  try {
+    const updatedSelections = new Set<string>();
+    
+    for (const conflict of conflicts) {
+      const resolution = resolutions[conflict.itemId];
+      if (!resolution) {
+        return {
+          success: false,
+          error: `No resolution selected for ${conflict.itemId}`,
+        };
+      }
+
+      const suggestion = conflict.suggestions.find(s => s.action === resolution);
+      if (!suggestion) {
+        return {
+          success: false,
+          error: `Invalid resolution action: ${resolution}`,
+        };
+      }
+
+      // Process each resolution action
+      switch (suggestion.action) {
+        case 'link_existing':
+          if (!suggestion.entityId) {
+            return {
+              success: false,
+              error: 'Entity ID required for link_existing action',
+            };
+          }
+          await linkToExistingEntity(conflict.itemId, suggestion.entityId);
+          updatedSelections.add(conflict.itemId);
+          break;
+
+        case 'create_parent':
+          const item = items.find(i => i.id === conflict.itemId);
+          if (item?.depends_on) {
+            updatedSelections.add(item.depends_on);
+            updatedSelections.add(conflict.itemId);
+          }
+          break;
+
+        case 'cascade_reject':
+          await cascadeRejectDependents(conflict.itemId, items);
+          break;
+
+        case 'escalate':
+          const submissionId = items[0]?.submission_id;
+          if (submissionId) {
+            await escalateForAdminReview(submissionId, `Conflict resolution needed: ${conflict.message}`, userId);
+          }
+          return {
+            success: true,
+            updatedSelections: new Set(),
+          };
+
+        default:
+          return {
+            success: false,
+            error: `Unknown action: ${suggestion.action}`,
+          };
+      }
+    }
+
+    return {
+      success: true,
+      updatedSelections,
+    };
+  } catch (error: any) {
+    console.error('Conflict resolution error:', error);
+    return {
+      success: false,
+      error: error.message || 'Failed to resolve conflicts',
+    };
+  }
+}
+
+/**
+ * Link submission item to existing database entity
+ */
+async function linkToExistingEntity(itemId: string, entityId: string): Promise<void> {
+  await updateSubmissionItem(itemId, {
+    approved_entity_id: entityId,
+    status: 'approved',
+  });
+}
+
+/**
+ * Cascade reject all dependent items
+ */
+async function cascadeRejectDependents(
+  itemId: string,
+  items: SubmissionItemWithDeps[]
+): Promise<void> {
+  const item = items.find(i => i.id === itemId);
+  if (!item?.dependents) return;
+
+  const toReject: string[] = [];
+  
+  function collectDependents(current: SubmissionItemWithDeps) {
+    if (current.dependents) {
+      for (const dep of current.dependents) {
+        toReject.push(dep.id);
+        collectDependents(dep);
+      }
+    }
+  }
+
+  collectDependents(item);
+
+  // Reject all collected dependents
+  for (const depId of toReject) {
+    await updateSubmissionItem(depId, {
+      status: 'rejected',
+      rejection_reason: 'Parent dependency was rejected',
+    });
+  }
+}
+
+/**
+ * Escalate submission for admin review
+ */
+async function escalateForAdminReview(
+  submissionId: string,
+  reason: string,
+  userId: string
+): Promise<void> {
+  const { error } = await supabase
+    .from('content_submissions')
+    .update({
+      status: 'pending',
+      escalation_reason: reason,
+      escalated_by: userId,
+      updated_at: new Date().toISOString(),
+    })
+    .eq('id', submissionId);
+
+  if (error) {
+    throw new Error(`Failed to escalate submission: ${error.message}`);
+  }
+}
+
+/**
+ * Find existing entities that match submission data
+ */
+export async function findMatchingEntities(
+  itemType: string,
+  itemData: any
+): Promise<Array<{ id: string; name: string; similarity: number }>> {
+  const tableName = getTableNameForItemType(itemType);
+  if (!tableName) return [];
+
+  try {
+    // Query based on table type
+    if (tableName === 'companies') {
+      const { data, error } = await supabase
+        .from('companies')
+        .select('id, name')
+        .ilike('name', `%${itemData.name}%`)
+        .limit(5);
+
+      if (error) throw error;
+
+      return (data || []).map(entity => ({
+        id: entity.id,
+        name: entity.name,
+        similarity: calculateSimilarity(itemData.name, entity.name),
+      })).sort((a, b) => b.similarity - a.similarity);
+    } else if (tableName === 'parks') {
+      const { data, error } = await supabase
+        .from('parks')
+        .select('id, name')
+        .ilike('name', `%${itemData.name}%`)
+        .limit(5);
+
+      if (error) throw error;
+
+      return (data || []).map(entity => ({
+        id: entity.id,
+        name: entity.name,
+        similarity: calculateSimilarity(itemData.name, entity.name),
+      })).sort((a, b) => b.similarity - a.similarity);
+    } else if (tableName === 'rides') {
+      const { data, error } = await supabase
+        .from('rides')
+        .select('id, name')
+        .ilike('name', `%${itemData.name}%`)
+        .limit(5);
+
+      if (error) throw error;
+
+      return (data || []).map(entity => ({
+        id: entity.id,
+        name: entity.name,
+        similarity: calculateSimilarity(itemData.name, entity.name),
+      })).sort((a, b) => b.similarity - a.similarity);
+    } else if (tableName === 'ride_models') {
+      const { data, error } = await supabase
+        .from('ride_models')
+        .select('id, name')
+        .ilike('name', `%${itemData.name}%`)
+        .limit(5);
+
+      if (error) throw error;
+
+      return (data || []).map(entity => ({
+        id: entity.id,
+        name: entity.name,
+        similarity: calculateSimilarity(itemData.name, entity.name),
+      })).sort((a, b) => b.similarity - a.similarity);
+    }
+
+    return [];
+  } catch (error) {
+    console.error('Error finding matching entities:', error);
+    return [];
+  }
+}
+
+/**
+ * Calculate string similarity (simple implementation)
+ */
+function calculateSimilarity(str1: string, str2: string): number {
+  const s1 = str1.toLowerCase();
+  const s2 = str2.toLowerCase();
+  
+  if (s1 === s2) return 1.0;
+  if (s1.includes(s2) || s2.includes(s1)) return 0.8;
+  
+  // Levenshtein distance approximation
+  const maxLen = Math.max(s1.length, s2.length);
+  const distance = levenshteinDistance(s1, s2);
+  return 1 - (distance / maxLen);
+}
+
+function levenshteinDistance(str1: string, str2: string): number {
+  const matrix: number[][] = [];
+
+  for (let i = 0; i <= str2.length; i++) {
+    matrix[i] = [i];
+  }
+
+  for (let j = 0; j <= str1.length; j++) {
+    matrix[0][j] = j;
+  }
+
+  for (let i = 1; i <= str2.length; i++) {
+    for (let j = 1; j <= str1.length; j++) {
+      if (str2.charAt(i - 1) === str1.charAt(j - 1)) {
+        matrix[i][j] = matrix[i - 1][j - 1];
+      } else {
+        matrix[i][j] = Math.min(
+          matrix[i - 1][j - 1] + 1,
+          matrix[i][j - 1] + 1,
+          matrix[i - 1][j] + 1
+        );
+      }
+    }
+  }
+
+  return matrix[str2.length][str1.length];
+}
+
+function getTableNameForItemType(itemType: string): string | null {
+  const typeMap: Record<string, string> = {
+    park: 'parks',
+    ride: 'rides',
+    manufacturer: 'companies',
+    operator: 'companies',
+    designer: 'companies',
+    property_owner: 'companies',
+    ride_model: 'ride_models',
+  };
+  return typeMap[itemType] || null;
+}