I believe that group was the Nativist
The Civil Rights Movement is an umbrella term for the many varieties of activism that sought to secure full political, social, and economic rights for African Americans in the period from 1946 to 1968.
Civil rights activism involved a diversity of approaches, from bringing lawsuits in court, to lobbying the federal government, to mass direct action, to black power.
The efforts of civil rights activists resulted in many substantial victories, but also met with the fierce opposition of white supremacists
Lesotho is the country you are looking for :)
