Answer:The confederates attacked fort sumteron April 7, 1863. The election of 1860 was on November 6, 1860. The missouri compromise was on march 2, 1820 and the confederates surrendered on April 9, 1865
Explanation:so according to the dates i would say
1.The missouri compromise
2.the election of 1860
3.the confederates attacked fort sumter
4. And lastly, the confederates surrendered
I hope this helped!