Prior information on which of the following issues is/are essential for foot patrolling ?
1. Topography of the area
2. Population density of the area
3. Location of the terrorist camps
Select the correct answer using the code given below :

Foot patrolling is a fundamental tactical activity for security forces and police. For an effective and safe patrol, several factors are essential:

• Topography: Understanding the physical terrain (hills, forests, water bodies) is crucial for route planning, identifying potential ambush points, and knowing the tactical advantages of the land.
• Population density: This helps in assessing the social environment, determining the level of public interaction required, and identifying areas where insurgents might blend in or where civilian safety is a primary concern.
• Location of terrorist camps: Intelligence regarding enemy positions, suspected hideouts, or high-risk zones is vital for the security of the patrolling party and for achieving operational objectives without being compromised.

Therefore, all three factors constitute essential prior information for foot patrolling.