David Wilmot was a Pennsylvania-born congressman who opposed slavery. His "proviso"—a clause tacked on to a number of legislation being debated in Congress—prohibited slavery in all of the new territory won from Mexico following the Mexican War. Although the proviso was well-liked in the North, it was vehemently opposed by the South and never became a part of the legislation. It declared that slavery would be outlawed in any new area that the United States might take over from Mexico. The argument over whether slavery still exists in the West was rekindled.
It closed down all trade routes to Asia.
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
Answer: it was the state Chu who first built the wall. It was during the Qin Dynasty that the kingdom of Qin united the different parts into one empire.
Explanation:
The foundation of Jim Crow laws was that the "African Americans are culturally and intellectually inferior to white people."
