Answer:
The USA became involved in Vietnam because it feared the spread of communism. The USA were unable to defeat the Vietcong and were met with growing opposition to the war back home.
this is the only one I can answer, I'm sorry. I hope this helps though
Freezing and thawing,Plant growth and Abrasion
Advantage: #1 Almost 0 emissions (very low greenhouse gas emissions).
#2 They can be sited almost anywhere unlike oil which is mostly imported
Disadvantage #1 Nuclear plants are more expensive to build and maintain.
#2 Proliferation concerns - breeder reactors yield products that could potentially be stolen and turned into an atomic weapon
Answer: cowboy heard
Explanation: I am from Texas and if I had to choose a name for my basketball team it would be;