What was the fundamental question addressed in each of these congressional acts- the missouri compromise, the compromise of 1850, and the kansas-nebraska act?

All the three events mentioned resulted in the acceptance of slavery by new states under the states which emerged as free states.

This was done to support the fact that the number of slave states were same as the number of free states.

Explanation:

Missouri Compromise

1.Under Missouri Compromise, also called the Compromise of 1820, the state of Maine was accepted as a free state in the United States while Missouri had accepted to become the slave state.

2.The slavery was abolished in the Louisiana territory.  

3.It was said that this event postponed the civil war.

Kansas-Nebraska Act

4.The Kansas-Nebraska Act resulted in the emergence of Kansas and Nebraska territories.

5.Kansas saw the settlement of slavery while Nebraska was established as a free land.

6.This event supported the Missouri Compromise which was welcomed by the South since slavery could be expanded to the northern part of 36° 30´ latitude.

7.The North was upset by both, Missouri Compromise and Kansas-Nebraska Act.

Compromise of 1850

8.The Compromise of 1850 comprised of five bills which were passed by the United States Congress to address the slavery of states and setting borders of other states(including free states).

9.The five bills were passed and addressed the below mentioned issues.

i.Slavery was allowed to continue in Washington, D.C. but slave trade was discontinued.

ii.The state of California was accepted as a free state.

iii.The borders of Texas state were established.

iv.The Fugitive Slave Act refused the right of trial for slaves while requesting assistance for runaway slaves.

v.The territories of Utah and New Mexico were established.

Conclusion

The above events led to the fact that the states could either be slave state or free state.

The slaves were confined to the slave states while the free states had lessened in number.

While slavery was not eradicated, trade of slaves was banned.

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