<span>Albert Einstein became famous for the theory of relativity, which laid the basis for the release of atomic energy. </span>
Though initially opposed to imperialism, the U.S.’s economy
was overproducing due to industrialization where there surpluses to their
products. Apart from that, they were searching
for other sources of raw materials that they needed for production. Another reason for the change was that some
thought that by entering into imperialism, they were continuing America’s
vision of Manifest Destiny. The Spanish-American
War gave them that opportunity where they acquired Guam, the Philippines and
Puerto Rico from the Spaniards.
