Answer:
A Red Scare is the promotion of a widespread fear of a potential rise of communism or anarchism by a society or state. The term is most often used to refer to two periods in the history of the United States which are referred to by this name. The First Red Scare, which occurred immediately after World War I, revolved around a perceived threat from the American labor movement, anarchist revolution, and political radicalism. The Second Red Scare, which occurred immediately after World War II, was preoccupied with the perception that national or foreign communists were infiltrating or subverting U.S. society and the federal government. The name refers to the red flags typically used by communists. WAS THIS WHAT YOU WERE LOOKING FOR???
The Adams–Onís Treaty of 1819, also known as the Transcontinental Treaty<span>, the Florida Purchase Treaty, or the Florida Treaty, was a treaty between the United States and Spain in 1819 that ceded Florida to the U.S. and defined the boundary between the U.S. and New Spain.
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It granted citizenship to all people born or naturalized in the United States equal protection of the laws. Not only did the 14th amendment grant citizenship but also extended liberties and rights by the Bill of Rights to former slaves. (source was Google ;) )
The railroad made transporting goods across the country faster, easier, and more affordable. They could ship more products on the railway system than they could by wagons. Companies began to grow more quickly after the completion of the railway.