The Fugitive Slave Act included which of the following provisions?

List of things it included:

Explanation:

denial of a jury trial to runaway slaves.

denial of fleeing slaves' right to testify on their own behalf.

the penalty of imprisonment for northerners who helped slaves to escape.

a higher payment if officials determined blacks to be runaways

d) the constitution rights of native americans and their right to self-government on reservations

the answer to your question is a. the salt plains

in 1811, he led an expedition, known as the george c. sibley expedition, to improve relations with the pawnee and kansa tribes, and also to locate the rumored jefferson's salt mountain