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

Fact 2: Frequently their behavior is aggressively hostile.

Given the two facts above, answer the question "Hostility can be one outcome of:" with the following options: 
- relocation
 - behavior research
 - decrease stamina
 - forces
 - fungi
 - competition
 - tolerance
 - Gunshots


 

      competition   