What is popular sovereignty?

a. a doctrine allowing new states to decide the issue of slavery for themselves.
b. an amendment to allow the direct election of u. s. senators.
c. a law requiring all states to assist in the return of runaway slaves to their owners.
d. a proposed constitutional amendment that would have allowed slavery in western territories.

a) A doctrine allowing new states to decide the issue of slavery for themselves.

It basically gave states the power to choose whether they wanted to be free or slave states.

i do not know if this question has options, but a main impact of the federal reserve act of 1913, which created the federal reserve bank, was the international use of the u.s. dollar, which soon became the world's leading currency - particularly during world war i, since many nations around the world asked the united states for money.

a

"the land of the dead"