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.
I googled it and it said 50-100 billion
The Adams–Onís Treaty of 1819, also known as the Transcontinental Treaty, the Florida Purchase Treaty, or the Florida Treaty, was a treaty between the United States and Spain in 1819 that ceded Florida to the U.S.and defined the boundary between the U.S. and New Spain
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