The answer is b historian a clearly has a thing against colonists
He would have faced strong opposition from other political figure heads who were against the expansion of the rights of African Americans, making his Presidency much more challenging that it already was.
The U.S feared that if Japan conquered European colonies in Southeast Asia, it could threaten its control of the Philippines and Guam. As a result, the U.S sent aid to help the Chinese Resistance. Also, Roosevelt cut off supplies of oil to Japan
Cyrus McCormick built the mechanical reaper