In what ways did western expansion affect the formation of national and group identities

the american revolution was by the middle and upper class, and the french was by the lower and middle class.

the term is einsatzgruppen

in 1862, president lincoln's emancipation proclamation opened the door for african americans to enlist in the union army. although many had wanted to join the war effort earlier, they were prohibited from enlisting by a federal law dating back to 1792.

explanation:

this is a good question! i'll do some research and come back when i have the answer!