The type of interest group made up of workers who share the same type of job or work in the same industry is known as - a labor union - a trade association - an agricultural group - a professional organization

Prior to the 1948 presidential campaign, truman won back the support of labor unions by highlighting his opposition to the taft-hartley act. supporting the passage of the national security act. pushing for equal rights for african american citizens. opposing the strikes of railroad and mine workers.