<P> Political parties in the United States are mostly dominated by a two - party system . However , the United States Constitution has always been silent on the issue of political parties ; at the time it was signed in 1787 , there were no parties in the nation . Indeed , no nation in the world had voter - based political parties . The need to win popular support in a republic led to the American invention of voter - based political parties in the 1790s . Americans were especially innovative in devising new campaign techniques that linked public opinion with public policy through the party . </P>
<P> Political parties in the United States are mostly dominated by a two - party system . However , the United States Constitution has always been silent on the issue of political parties ; at the time it was signed in 1787 , there were no parties in the nation . Indeed , no nation in the world had voter - based political parties . The need to win popular support in a republic led to the American invention of voter - based political parties in the 1790s . Americans were especially innovative in devising new campaign techniques that linked public opinion with public policy through the party . </P>
when did political parties first form in the united states
when did political parties first form in the united states
in the 1790s .
in the 1790s .