The Republican Party, often referred to as the GOP (Grand Old Party), is one of the two dominant political parties in the United States. Founded in 1854, it has historically championed conservative values, limited government intervention, and free-market economics. The party's platform emphasizes individual liberties, strong national defense, and traditional social policies. Republicans have played a central role in shaping U.S. politics, with notable figures including Abraham Lincoln, Ronald Reagan, and Donald Trump.