HELPP PLEASE the newspaper headline below describes an event in US history

Daily News September 8th 1974 Richard Nixon received pardon for any crimes in office

which part of government is responsible for the vet in this headline?

Choices:
A- the congress
B- The chief justice of the supreme court
C- The president
D- The secretary of state
​

B

Explanation:

Facts

here are some events that to cause increased conflict between the north and south

1) mexican cession- gaining modern day california, utah, arizona, and new mexico from mexico. caused southern and northern politicians to fight over whether or not there would be slavery in these newly acquired territories.

2) uncle tom's cabin- this famous book described the cruelty of slavery in the south during the antebellum period, causing more northerners to support abolition and southerners to resent the book as they felt it unfairly depicted southern society.

3) kansas- nebraska act- disagreements over whether or not kansas and nebraska would be free or slave states caused issues between northern and southern politicians in congress.

4) bleeding kansas- this fighting took place in kansas after congress allowed this territory to vote on whether or not they would have slavery. citizens were killed and buildings were destroyed during this fighting.

spread of christianity