To contain communism, thinking was Vietnam went comunist it would spread more globally.
I believe "There were armed sentries posted at the camps" because at the time I'm thinking of the Japanese were slaves at the time.(yes Japanese were slaves as well as Native Americans, Indians and Irish as well as African Americans")
Answer:
Nationalism and Alliances
A. alliances: a form of friendship between certain countries
B. they are what caused the first war by using nationalism to build courage within the country, then becoming friends with other nations, and finally showing their power by attacking another nation.
