The farmers represented a cross-section of american leadership in the 18th century
The answer is the light bulb.
Soviet Union, United States, and Great Britain. Nazi Germany was a part of the Axis Powers.
By the Treaty of Paris (signed Dec. 10, 1898), Spain renounced all claim to Cuba, ceded Guam and Puerto Rico to the United States, and transferred sovereignty over the Philippines to the United States for $20 million. The Spanish-American War was an important turning point in the history of both antagonists.May 14, 2010
It changed the schooling in america, it made the schools do more and harder/complex mathematics and science, so we will always stay ahead of the russians