Which is true of both the Plessy and Brown cases?Both were attempts to show that segregation was unconstitutional.Both were filed by people who lived in Louisiana.Both discussed whether Black American children could ride in public train cars.Both were attempts to overturn the Thirteenth Amendment.

Both cases challenged racial segregation under the Constitution. Plessy v. Ferguson challenged segregation on Louisiana railcars, while Brown v. Board of Education challenged segregation in public schools. The other choices do not describe both cases: Brown concerned schools, not train cars, and neither case sought to overturn the Thirteenth Amendment.

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