Help with 1,2, and 3 please

number 1 the Aztec build their capital in the middle of the lake by using boats

worcester v. georgia, legal case in which the u.s. supreme court on march 3, 1832, held (5–1) that the states did not have the right to impose regulations on native american land. andrew jackson refused to enforce the ruling, the decision form the basis for most subsequent indian law in the united states.

the answer would be:

b. race