In what way did Plessy v. Ferguson promote the violation of individual rights and freedoms? (Select all that apply.)

A. The case invalidated the Preamble to the Constitution.

B. States began enacting more exclusionary laws.

C. Businesses began to serve patrons based on ethnicity.

D. The case repealed the Reconstruction Amendments.

B, states began enacting more exclusionary laws because the Plessy v Ferguson case did not bring up the reconstruction of the amendments it just prompted states to enact more accurate and precise laws

B. States began enacting more exclusionary laws.

C. Businesses began to serve patrons based on ethnicity.

Explanation:

The Plessy v. Fergusones case is a legal decision in the jurisprudence of the United States Supreme Court in which it was decided to maintain the constitutionality of racial segregation even in public places.

The Supreme Court ordered, in Civil Rights Cases (1883), that the Fourteenth Amendment be applied only to government actions and not to those private properties, consequently people were not protected against individual and private entities that violated Your civil rights. In particular, the Court invalidated most of the Civil Rights Act of 1875, a law passed by the United States Congress to protect African Americans from any kind of discrimination.