Fact 1: Competition may lead to aggressive behaviors or displays of aggression.

Fact 2: Population Competition for food in larger animals leads to territory being established and defended.

Given the two facts above, answer the question "populations need for food can lead to what" with the following options: 
- agriculture
 - rapid expansion
 - drinking
 - death and devastation
 - sadness
 - displays of aggression
 - massive damage
 - sorrow


 

      displays of aggression   