In the 1960s and 1970s many marginalized groups adopted identity politics in order to attain some degree of equal rights. Identify at least three of these groups, their efforts, and accomplishments.

Answer the following prompt in 300-450 words
In the 1960s and 1970s many marginalized groups adopted identity politics in order to attain some degree of equal rights. Identify at least three of these groups, their efforts, and accomplishments.