Which statement best describes the behavior of the conquistadors toward Native Americans?

A. The conquistadors paid tribute to the Native Americans in exchange for safe passage through their lands.

B. The conquistadors tried to educate the Native Americans about the need to care for their lands.

C. The conquistadors allowed the native people to keep their own beliefs and religions as long as they paid their taxes.

D. The conquistadors robbed, enslaved, and killed Native Americans.