Task: Sentence Expansion
Input (English): State officials in the South took advantage of the decision and began to enact laws that legalized the treatment of blacks as second-class citizens for another seventy years .
Output (English): State officials in the South took advantage of the eclipsed role of Congress in the prohibition of racial discrimination and proceeded to embody individual practices of racial segregation into laws that legalized the treatment of blacks as second-class citizens for another seventy years .