What event resulted in the use of the expression, "Bleeding Kansas?"

In 1856, clashes between antislavery Free-Soilers, or people that opposed the expansion of slavery, and border ruffians came to a head. A man named John Brown, along with his four sons and a small group of followers, heard the news that an antislavery activist had been attacked in Lawrence, Kansas.

Explanation:

Dred Scott claimed that he should be a free man because he had been taken into free states while he was a slave. The Dred Scott decision made the Missouri Compromise law in new territories

I think this is it, I did the same thing

Explanation:

done

explanation:

answer; the period of time known as the middle ages;