Which of the following was an achievement of mathematicians during the gupta empire?
a) the development of the pythagorean theorem
b) the invention of the abacus
c) the development of the place value system that we use today
d) the development of the field of trigonometry

D) the development of the field of trigonometry

Explanation:

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 c