What was the purpose This war time poster shows Britain and the USA United

The Propaganda Posters were used to communicate the message during the war times.

Explanation:

There ya go.. :)

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

slavery because it wasnt a role of government