What was the focus of John James Audubon's work? A) Birds
B) Pioneers
C) Rivers
D) Native Americans

The answer is d

Explanation:

BUT in my research in goo gle letter b

Which one will you choose

to fight against injustice and class division

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.