Why was President Truman against declaring war on China during the Korean War? He was buying time so that the United States could develop more atomic weapons. He was afraid that China would support North Korea. He feared that the Soviet Union might offer China military support. He was planning the withdrawal of U. S. troops from South Korea.

C. He feared that the Soviet Union might offer China military support.

Explanation:

The Soviet Union was allied with China so he did not wish to involve them.

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.

so they can defeat there oppenent