It collapsed after WW1.
Heres it's full history in like 3 minutes.
https://www.youtube.com/watch?v=MawOLbHtnMY
African Americans and women were entitled to the same benefits as white men under the GI Bill, but often faced difficulty trying to claim their benefits due to discrimination.
What made WWII Different from all other wars. World War 1 was the first war in an industrialized age. New weapons and vehicles were used in this war that had never been used before. With the invention of the plane in 1901 led the way for the plane to be used as a gun ship, light bomber, and heavy bomber.
Though outnumbered at almost two-to-one, Sam Houston's men feverntly fought under the battle cry, "Remember the Alamo!"
Read more at http://www.texasmilitaryforcesmuseum.org/tnghist3.htm