Which effect did the United States Supreme Court’s decision in Plessy v. Ferguson have? a. protecting voting rights for African Americans by eliminating literacy tests

b. ending segregation in all public schools in America

c. upholding the rights of all citizens to be treated equally by the government

d. authorizing the system that kept black and white people separated

D.

Explanation:

Plessy v. Ferguson was a landmark 1896 U.S. Supreme Court decision that upheld the constitutionality of racial segregation under the “separate but equal” doctrine

On May 18, 1896, the U.S. Supreme Court case Plessy v. Ferguson ruled that separate-but-equal facilities were constitutional. The Plessy v. Ferguson decision upheld the principle of racial segregation over the next half-century

Explanation:

president thomas jefferson commissioned the expedition shortly after the louisiana purchase in 1803 to explore and to map the newly acquired territory, to find a practical route across the western half of the continent, and to establish an american presence in this territory before britain and other european powers