It was a period of great tension between the U.S. and the Soviet Union. I hope this helped.
Answer:
It became law on May 30, 1854. The Kansas-Nebraska Act repealed the Missouri Compromise, created two new territories, and allowed for popular sovereignty. It also produced a violent uprising known as “Bleeding Kansas,” as proslavery and antislavery activists flooded into the territories to sway the vote.
Well, your answer is going to be A China. This is because China has been a contributor to everything that America has in products and are in dislike of the Americans because of our great debt to them.
I hope this helps!!!!!!!!!!!!!!!!!!! Please mark me as Brainiest