23rd Amendment gives residents of Washington DC the right to vote in the Electoral College.
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The one-child policy had people pay special fees as punishment for having more than one-child. This led to a large number of hidden undocumented children that were hidden to avoid breaking the law. This mostly occurred in rural areas and was a big problem for the government.
Common Sense by Thomas Paine was highly instrumental in convincing the colonists that they should separate from Great Britain, since it called into question the idea that such a vast and prosperous land should need the support of a small island nation (Britain).
The American continent was populated relatively recently: the man only appeared at the end of the Paleolithic. Between 50,000 and 12,000 BC reached the first people to the New World, and soon the whole American continent was populated by people.
From linguistic and archaeological studies indicate that the Mayans already around 2000 BC. one must have been recognizable culture. The ethnogenesis of the Mayas took place most likely in the Sierra de los Cuchumatanes in western Guatemala. Archaeology has shown that the Maya already from that time began to put down his buildings for ceremonial purposes. From this early time is not quite clear where the boundaries lie between the actual Maya and their neighbors, the Olmecs. The two cultures seem to have influenced each other. Eventually, the Olmec culture faded after its influence on the Yucatán Peninsula to have the current Guatemala expanded.