Samuel Gompers, the leader of the American Federation of Labor, was least likely to approve of

Samuel Gompers generally favored “pure and simple unionism”: unions should focus on improving workers’ pay, hours, and conditions through collective bargaining rather than becoming involved in partisan politics. He would therefore be least likely to approve of union support for a political party. Protesting low wages, increasing union membership, and striking for a shorter workday all fit his focus on workplace gains.

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