Cain
Abel, the first murder victim, is sometimes seen as the first Marty, while Cain, the first murderer, is sometimes seen as an ancestor of evil.
The Phanerozoic is divided into three eras: the Paleozoic, Mesozoic, and Cenozoic. You could have googled the question.
The answer would be the availability of new farming land in the west, while back east, most of their land had already been taken.
The Monroe Doctrine is the best known U.S. policy toward the Western Hemisphere. Buried in a routine annual message delivered to Congress by President James Monroe in December 1823, the doctrine warns European nations that the United States would not tolerate further colonization or puppet monarchs.
2: McCarthy spent almost five years trying to expose communists and other left wing "loyalty risks" in the us government