Were there any answer choices? I feel that this question can have many answers..
Natural selection
Genetic Mutations
DNA (OR)
Survival of the Fittest
Percy Jackson's brother is Tyson and he's a cyclops.
The purpose of sending troops to Vietnam was to prevent Vietnam from becoming a communist state- much like the neighbouring China did. The US feared the domino effect in which more and more neighbouring states become communist.
This policy was called the containment policy (the answer is B) - communism were to be contained.
Parents practicing authority over children
