Final answer:
The encomienda system forced Native Americans to work on Spanish-owned land and pay tribute.
Step-by-step explanation:
The correct answer is a. The encomienda system forced Native Americans to work on Spanish-owned land and pay tribute. Under this system, Spanish colonizers were granted control over the land and indigenous labor by the Spanish crown. In exchange, they were expected to protect the Native Americans and convert them to Christianity. However, in practice, the encomienda system often resulted in exploitation and abuse of the Native Americans.
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