What was the fundamental question addressed in each of these congressional acts? *The Missouri compromise

*The compromise of 1850
*The Kansas-Nebraska act

a. Should the U.S. expand westward?
b. Should states be allowed to nullify federal laws?
c. Should slave labor be allowed in new states?
d. Should states be able to secede from the Union?

a. Should the U.S. expand westward? - The Missouri Compromise addressed the question of whether slavery should be allowed in newly admitted states west of the Mississippi River.

b. Should states be allowed to nullify federal laws? - The Compromise of 1850 addressed the question of whether states should have the right to nullify federal laws, specifically relating to the issue of slavery.

c. Should slave labor be allowed in new states? - The Kansas-Nebraska Act addressed the question of whether the issue of slavery should be decided by popular sovereignty in new states.

d. Should states be able to secede from the Union? - None of the mentioned acts directly addressed the question of whether states should be able to secede from the Union. This question was ultimately addressed through the Civil War.