He was the founder and leader of the american federation of labor for 38 years and worked for higher wages for laborers and against socialist and communist presence within the movement.

Samuel Gompers is the correct answer.

Explanation:

Samuel Gomper was the founder of the American Federation of Labour- Congress of Industrial Organizations. It tried to organize workers in craft unions and industries. It was a federation of Unions formed in 1955 by merging AFL and CIO and replaced the knights of labor. It was founded by Samuel Gompers. He was a labor union leader and an important figure of American labor union history. He served as the president of the union from 1886 to 1894 and from 1895 to 1924. He was a supporter of harmony among various unions. He mostly supported democrats and opposed the socialists. His main methods for securing higher salaries and shorter works hours were organization and collective bargaining. Gompers and AFL supported the war by averting strikes, expanding membership and raising the wages

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