Answer:
In 1918, Du Bois published an editorial called "close ranks," which called on African Americans to support the war effort.
Explanation:
I majored in History.
Tehran, Iran (ignore these extra characters)
It ruled the act constitutional
Some examples of this were the Fugitive Slave Act, Preston Brooks's attack on Charles Sumner, and the Dred Scott decision (the part of it which said that African Americans could never be citizens). None of these events tangibly hurt the North or the South.