A tropical rain forest is a densely wooded area that receives an annual rainfall of at least 100 inches and has broad-leafed evergreen trees that form a continuous canopy.
In my opinion, it was because the agricultural revolution mainly.
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Known as the Cold War, this conflict began as a struggle for control over the conquered areas of Eastern Europe in the late 1940s and continued into the early 1990s. Initially, only the United States possessed atomic weapons, but in 1949 the Soviet Union exploded an atomic bomb and the arms race began.
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President Theodore Roosevelt oversaw the realization of a long-term United States goal—a trans-isthmian canal. Throughout the 1800s, American and British leaders and businessmen wanted to ship goods quickly and cheaply between the Atlantic and Pacific coasts.
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