Which states joined the Confederacy after Lincoln issued a call for troops and it became clear that the war had started?

How did the results of wwi benefit the u. s.?

Why did poland, hungary, and east germany join the warsaw pact? a)their people voted to join in free elections. b)their efforts to join nato failed. c)they wanted to stop the spread of communism in europe. d)they were soviet satellites that had little choice.

Iwould appreciate it if someone can answer all the questions