According to Richard Neustadt landmark book,"Presidential Power" he argued that the president's most fundamental power is the power to persuade. He said "Effective influence for the man in the White House stems from three related sources: first are the bargaining advantages inherent in his job with which to persuade other men that what he wants of them is what their own responsibilities require them to do. Second are the expectations of those other men regarding his ability and will to use the various advantages they think he has. Third are those men's estimates of how his public views him and how their publics may view them if they do what he wants."
I think the answer is the last one
Answer:
<em>D. They served as spies and scouts. </em>
Explanation:
African Americans did all they could to help the Union army. This was especially true after the Emancipation Proclamation, as Lincoln attempted to free slaves from the control of Confederate states.
This was one of the many reasons why African Americans in the South helped Union forces. These citizens often acted ignorant or didn't appear to be paying attention when Southerners discussed their next military moves. African Americans would then relay this information to the Union commanders, giving them a strategic advantage.
The United States entered WWII because Japan bombed Pearl Harbor, Hawaii which is answer A.
Originally, the United States was not planning to join the war and we only contributed by giving supplies to the Allies to help keep Britain and other countries going. But once we were bombed by Japan, it was the last straw and we joined the war.
I hope that helps!