They were the first hominids to make stone tools.
I would say that the South American continent and also the North American continent in Mesoamerica were the two sites where European colonialism mainly of the Spanish colonialists and also the Portuguese were responsible for the stealing of the natural resources and the subjugation of the native peoples like the Incas and Aztecs. While the initial conquests were brutal and barbaric, the good thing that the Spaniards did was inter-marry with the local native people and form a new society of largely mestizo or mixed people.
The Truman Doctrine stated that the United States would provide support to prevent the spread of communism.
Every states constitution requires that the state has an education system.