Why did black codes form out of reconstruction and how?

Q: a: which of woodrow wilson's proposals was included in the treaty of versailles?

After world war 1 immigration was based on

Brainliestttme : )how did the japanese economy recover so quickly after world war ii? -mass immigration to japan in an effort to rebuild -economic and educational reforms passed by the government- an economic partnership with korea and china- marshall plan dollars stimulated the japanese economy