Question

Historically, what groups in the United States were denied equal treatment
rights

Answer 1

The Republican Party included support of the ERA in its platform beginning in 1940, renewing the plank every four years until 1980. The ERA was strongly opposed by the American Federation of Labor and other labor unions, which feared the amendment would invalidate protective labor legislation for women.

Step-by-step explanation:

Answer 2

Minorities. For example colored people,women, and Asians