On what is the geologic time scale based? A: evolutionary events

B: geologic events

C: geologic and biologic events

D: changes in climate and historical

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.