Briefly explain ONE role of U. S. troops such as those shown in the photograph in Europe during World War I

b. the 200th birthday of the united states

north atlantic treaty organization.

because it’s really sad that’s why it’s in history native americans getting kicked out of their homeland.

your answer is 1930's

explanation

this is just around the time the great depression was starting and putting the us ecnomy into ecnomic failure causing the goverment to take a much larger rule to try and pieace it back together