How did Spanish colonization and the encomienda system impacted the lives of Native Americans?

The map shows information about river valley civilizations. which feature of this map best the reader determine the distance between two places?

How do private property rights serve as an incentive in a free enterprise economy ?

How are the republican and democratic presidential candidates chosen? a. they are nominated by their state governments. b. each is nominated by his or her respective party. c. each is chosen by the governor of his or her home state. d. they are chosen by the house of representatives.