Of course, the major effect of the Louisiana Purchase was that it made the United States much bigger than it had been before. The Purchase doubled the land area of the country. This helped to make Americans feel like their country was strong and important, contributing to a sense of nationalism.
Answer:
Start of World War I – June 1914.
Russian Revolution – October 1917.
Start of World War II – September 1939.
Pearl Harbour – and entry of the US into WWII – Dec. 1941.
Atomic Bomb dropped on Hiroshima, Aug 1945.
Indian Independence – Aug 1947.
Establishment of Maoist China, 1949.
The assassination of John F Kennedy, 1953.
and there are so many more
Explanation:
The fifth section of the fourteenth amendment of the Constitution of the United States of America gives Congress the power to prevent that amendment from being violated, since it establishes that Congress will have the power to enforce through appropriate legislation what is declared.