What was the importance of the ruling in Shaw v. Reno?

In Shaw v. Reno (1993), the Supreme Court ruled that a redistricting plan in which race was the predominant factor could be challenged under the Equal Protection Clause. The ruling did not prohibit all consideration of race, but it said districts could not be drawn based on race alone without sufficient justification. Therefore, D is correct: voting districts should not be created based on race alone.

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