Answer:
Confederacy: Virginia; North Carolina; South Carolina;
Union; Connecticut;
Border State: Maryland
Step-by-step explanation:
The Confederate states and the Union states had lot of tensions between them, mostly of political and economic reasons. The conflicts were mostly because of the different standpoints of two things, one was the slavery, and the other one were the tariffs. The Union states were supportive of abolishing the slavery, and implementation of tariffs. The Confederate states were supportive of the slavery, and they were against the tariffs. The states that were in the Confederacy were mostly the southern states, while the Union ones were the northern states. Some states did not choose sides, and they border states, caught in the conflict between the two.