Answer:
The Domino Theory was based on the idea that communism was a contagious force that spread from country to country. It was first advanced during Harry S. Truman's presidency, when WW2 ended, as the United States adopted the policy of Containment to restrict communist expansion and the sphere of influence held by the USSR.
The Supreme Law of the Land is the Constitution that sets up the government and self-government and that no one is above the law, but then the law is for the people. "We the people". Also it is the fundamental framework of America's system of government.
The Constitution was written and signed in Philadelphia in the Assembly Room of the Pennsylvania State House, now known as Independence Hall. It was written during the Philadelphia Convention. Which convened from May 25th to September 17, 1787. It was signed on September 17, 1787.
Even though of 11,000 attempts to amend the U.S Constitution, only 27 were amended successfully.
