30 mai 1854 - The Kansas-Nebraska Act

Description:

What: Stephen Douglas proposed the Kansas-Nebraska Act, which Congress passed, thus overturning the Missouri Compromise. This opened the Northern territory to slavery. Both sides began to send settlers into the area in an effort to influence the future status of this area.

Important People: Stephen Douglas

Led to War: The repeal of the Missouri Compromise heightened political tensions and led to the formation of the Republican Party.