 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.