How were the civil rights of certain groups limited and restricted in the U. S history?

Which areas where seperated by the iron curtain

Who were the main leaders of the major powers (france, england, and great britain) during the treaty of versailles?

Without specializing, the total output for both countries after two days would be 48. if country a were to specialize in petroleum, its output would be after two days. if country b were to specialize in seafood, its output would be after two days.