During Taft's administration, a rift developed between Roosevelt and Taft, and they became the leaders of the Republican Party's two wings: progressives led by Roosevelt and conservatives led by Taft. Progressives favored labor restrictions protecting women and children, promoted ecological conservation, and were more sympathetic toward labor unions. They also favored the popular election of federal and state judges over appointment by the President or governors. Conservatives supported high tariffs to encourage domestic production, but favored business leaders over labor unions and were generally opposed to the popular election of judges.