The indian removal act of 1830 authorized the removal of american indians
a. east of the mississippi river.
b. in georgia and alabama.
c. south of the ohio river.
d. in the florida territory.

The correct answer is A. The Indian Removal Act of 1830 authorized the removal of American Indians  east of the Mississippi River.

Explanation:

The Indian Removal Act of 1830 was a law passed by the 21st Congress to facilitate the transfer of the Native American tribes that lived east of the Mississippi River to lands further to the west. The act, which was part of the policy known as Indian Removal, was ratified by law by President Andrew Jackson on May 28, 1830.

a case involving the laws of a single state.

i think it’s a i hope that right : )