Its constitution, modeled on that of the United States, differs in 6 main respects: the President and Vice-President serve 6-year terms; the President has a line-item veto; a 2/3 vote of both houses of Congress is needed to add a new state; Congress cannot levy a protective tariff; the foreign slave trade is ended, but slavery remained legal.  
Its constitution, modeled on that of the United States, differs in 6 main respects: the President and Vice-President serve 6-year terms; the President has a line-item veto; a 2/3 vote of both houses of Congress is needed to add a new state; Congress cannot levy a protective tariff; the foreign slave trade is ended, but slavery remained legal.  FTP what is this nation officially in existence from February 1861 to April 1865, whose only Vice-President was Alexander Stephens and only President was Jefferson Davis?
Its constitution, modeled on that of the United States, differs in 6 main respects: the President and Vice-President serve 6-year terms; the President has a line-item veto; a 2/3 vote of both houses of Congress is needed to add a new state; Congress cannot levy a protective tariff; the foreign slave trade is ended, but slavery remained legal.  
Confederate States of America or Confederacy