1. D
2. C
3. A
hopefully that helped!!
Answer:
The root issue for the nullification crisis was:
B States wanted to nullify federal laws that they deemed unconstitutional
Explanation:
The Nullification crisis has its roots in the refusal to collect tariffs between 1828 and 1832 by the state of South Carolina.
It should be chronological: US Civil War: 1861-1865, Reconstruction: 1865-1877, Progressive Era: 1890-1920s
Through out the twentieth and twenty‐ first centuries internationals human rights law have increased and improved with it's main purpose to protect individuals and groups from verbal and physical abuse.Certain states have certain laws and regulation against hateful comments and action taken on certain groups of people.

This sentence gives no reason to add any commas what so ever. This would be a straight forward run-on sentence that would need no clause, pauses or anything that would break this sentence down any more.
Option B would give clear and straight forward information. The first option broke this sentence down as we can see, and as for this, this would not be the proper way of expressing this sentence. Therefore, your
last option would then be your answer.