America's industrial revolution began to take root in A)new England, mostly because this is where lots of the water and supplies were. It never took place in the South.
To prevent workers from organizing strikes and stopping production
The Mexican American War heightened tensions over slavery in that there were many disagreements over whether the new territories won from Mexico should be free or slave territories. The Wilmot Proviso, created to solve the problem, ended up slitting parties on regional areas.
Good luck :)
The Ku Klux Klan often took drastic, and violent actions towards the blacks. Making it very hard for many of them to survive in a safe manner.
I think the correct answer among the choices listed above is the second option. An opponent of Great Britain during the war was Italy. This is because Italy was allied with Germany and Japan (in a group known as the Axis) against the US Britain and France. Hope this answers the question.