The passage below describes a U. S. Supreme Court decision In 1940, the Texas Democratic Party refused to give an African American man a ballot to select candidates to run for Congress and governor. In finding this action unconstitutional "… this Court is not constrained to follow a previous decision which…, involves the application of a constitutional principle, rather than an interpretation of the Constitution to evolve the principle itself." Source: Smith v. Allwright (1944) What does this court decision illustrate? (Hard)