They have different culture , like ... Foods + Tradition and more .
The correct answer is economic and political
State societies are motivated by their economic self-interests which basically involve securing the material well-being of its citizens. Also, wars are motivated by politics which is basically about who gets what as a result of the war
Because of the super rich in protean soil. ~Matya
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")