D.the school teachers because they didnt play any role in the civil war.
Explanation:
a )they help historians focus on the effect of one important idea on different societies over time
Answer: supporting the unions or getting the economy back on track.
Harry S. Truman was the 33rd President of the United States. He assumed the presidency during the last months of WWII and at the beginning of the Cold War. He was a moderate Democrat and for the most part, he tried to continue the policies of the New Deal that Roosevelt had implemented.
However, Truman generally had an antagonistic approach to labor, particularly during the wave of labor strikes from 1945-46. Truman mostly chose to side with employers instead of unions in an attempt to improve the economy. This made him an unpopular character, receiving very low public approval poll numbers.
I'm going with B as they are funded by taxpayers, some funds come from traffic tickets and such but as with most govt. agencies it is the taxpayer.
B) tools seeds and supplies