Why was compromise no longer possible between the north and the south in the united states by 1860?

Virginia has 11 people in the house and 2 in the senate. how many electoral votes foes it have? where is this addressed?

Who were the people that migrated south into india and indus valley

Which of these did the soviet union do in 1961? it built a wall through berlin to keep people from moving to the west. it used force to destroy a wall the united states had built in berlin. it convinced the british and french to merge their zones in berlin with the soviet zone. it threatened to bomb berlin if the united states did not leave within 30 days.