Which ideological philosophy has dominated Texas politics since the end of the Civil War?

In the 1857 Dred Scott v. Sandford decision, the Supreme Court held that __________

a. only Congress could ban slavery – b. black men were citizens but black women were not c. the Missouri Compromise was unconstitutional d. slavery was immoral but necessary

Grovey v. Townsend, the 1935 decision in which the Supreme Court had upheld the so-called _______, was overruled in Smith v. Allwright (1944)

a. grandfather clause b. racial gerrymander c. preclearance requirement d. white primary