Which statement is true about the Dred Scott case? A. The Supreme Court ruled that even though Dred Scott was a citizen entitled to equal treatment, racial segregation was legal and constitutional. B. The Supreme Court ruled that the power of judicial review extended not only to state laws that it deemed unconstitutional, but also to acts of Congress. C. The Supreme Court ruled that Dred Scott was neither a citizen nor entitled to the rights of citizenship, which inflamed tensions that led to the Civil War. D. The Supreme Court ruled that Dred Scott was a free man because he had been transported into a state where slavery was illegal, which incensed pro-slavery activists.