To discourage Spanish settlers from staying in Texas, Native Americans a burned the landscape, setting fire to the farms and settlements of the Spanish
b. refused to trade with them during times of drought and famine.
C. raided their camps and settlements, forcibly taking whatever they wanted.
d. pitted settlers against each other.

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.

your answer is c i hope that