How were Mexican-Americans treated in Texas prior to the Civil Rights Movement?

The National Council of La Raza rose out of the Chicano civil rights movement in the late 1960s and '70s. It was a cultural and political movement led by Mexican-Americans, who were advocating for farm workers' rights, political rights and access to higher education.

Explanation:

a.tensions between the colonial elites and the backcountry men of virginia.