It is false that primary sources are the only sources that historians use, since it is important to consult the works of other writers and historians to get an idea of how events in history have played out. Historians usually use a combination of secondary and primary sources.
The correct answer is D i believe <span />
Slaves were used in the American colonies to perform labor because A. there were not enough workers.
America needed workers, but there were not enough people willing to perform such difficult jobs for basically no money at all, which is why they brought slaves who had to work for free.
They wanted consumers to have some choices.
<span>The main reason for the Spanish colonizers manage to tap the wealth of measoamerica and the andes is,
By capitalizing on preexisting systems of tribute and labor discipline.
Spanish colonizers capitalized on preexisting systems of tribute and labor discipline to tap the enormous wealth of mesoamerica and the Andes. Once native rulers were overthrown, the Spanish monarchs transferred their institutions—municipal councils, the legal code, and the Catholic Church—to America.</span>