What strained u. s.-soviet relations?
camp david accords
soviet invasion of afghanistan
iranian revolution

the awenser wuold be slaves

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.