Which struggle defined the Civil Rights era in Texas history?

A. Cattle ranchers began to make more demands as agriculture was
destroyed by the Dust Bowl.
B. Groups targeted by Jim Crow laws began pushing back against
these laws and fighting for their rights.
C. The idea of women being given the right to vote and hold political
office was encouraged by the state legislature.
D. The organization of a new political party was established to
represent all Texans