✨What are the surface features of a region?✨ Topography

Biology

Climate

Geology

each played a major role in ending the cold war.

4 copper and gold, the california gold rush is why im pretty sure.

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:

answer; (b) asia;