When the Articles of Confederation was adopted, land between the Appalachian Mountains and the Mississippi River A. was given to states whose colonial charters claimed land
B. was divided up among the 13 original states
C. was closed to white settlers
D. became national territory

Land Ordinance in 1785. A resolution written by Thomas Jefferson, said that the states give up their claims to all territory west of the Appalachian Mountains, and the area be divided into new states of the Union. Land west of the Appalachians, north of the Ohio River, and east of the Mississippi River was to be divided into 10 separate states. 

your answer would be just capitalism.

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: