Immigrants after Columbus discovered America

From Columbus' discovery of America in 1492 to 1620, the history of more than one hundred years: the Spanish conquered Aztec (now Mexico, time 152 1 year) and Inca (now Peru, Bolivia and northern Chile,153). After Spain conquered America, it forced Indians to mine gold and silver mines with high intensity and transport them back to Spain, which caused fierce resistance from Indians and cruel suppression by colonists. Coupled with the epidemic of infectious diseases, India's population has dropped by 80%-90%, and the number of abnormal deaths is estimated to exceed 40 million, which is the biggest genocide in human history. In Argentina and Uruguay, few Indians survived.

Followed by the Portuguese:1500 April 22, Portuguese navigator Pedro? 6? 1 Cabral arrives in Brazil. After a series of exploration and conquest, it occupied the coast of Brazil today in 1530 and established a Brazilian colony. Later, Holland, Britain and France also immigrated there. 1776, the United States was the first western colonial independent country-the United States.