In the 1950s and 1960s, both major U.S. political parties included liberal and conservative factions. The Democratic Party had two wings: on the one hand, Northern and Western liberals, on the other generally conservative Southern whites. Difficult to classify were the northern urban Democratic "political machines". The urban machines had supported New Deal economic policies, but would slowly come apart over racial issues. Some historians have divided the Republican Party into liberal Wall Street and conservative Main Street factions; others have noted that the GOP's conservatives came from landlocked states (Robert Taft of Ohio and Barry Goldwater of Arizona) and the liberals tended to come from California (Earl Warren and Paul N. "Pete" McCloskey), New York (Nelson Rockefeller), and other coastal states.