To show their enemies, USA and much of the west, that they were capable of producing atomic bombs and even using them.
The Mayan. This is considered one of the largest cultures in the American Continent due to its knowledge of science, astrology and much more. This civilization was born during the third millennium BC, living in a territory of 320,000 square kilometers, living in regions of Mexico, Guatemala, Honduras, Belize and part of El Salvador.
The Bank's existence is a great example of implied powers: the Constitution doesn't say that Congress has the right to establish a bank, but its defenders claimed that one was necessary to carry out the Congress' power to collect taxes.
Neither was war inevitable in 1812. it almost came in 1794, 1807 and 1808, and it could have been avoided again through diplomacy as in these earlier crises. It was a recipe for military disaster as the US Army performed throughout 1812 and 1813.
The correct answer:
Brown v. Board of Education reversed the decision in Plessy v. Ferguson.
Brown v. Board of Education (May 17, 1954) was a decision of the U.S. Supreme Court known as being a landmark in the country. The final ruling was that American state laws establishing racial segregation in public schools are unconstitutional, even if the segregated schools are otherwise equal in quality.