What did Jim Crow laws, poll taxes, and literacy tests have in common?

Question 4 options:

They all helped give full citizenship rights to blacks.

They created an economic base for freed slaves.

They promoted segregation and fewer rights for blacks.

They helped raise revenue for the southern states following the Civil War.

They promoted segregation and fewer rights for blacks.

Explanation:

(202 bc - 220 ad) dynasty started by lui bang; a great and long-lasting rule, it discarded the harsh policies of the qin dynasty and adopted confucian principles; han rulers chose officials who passed the civil service exams rather than birth; it was a time of prosperity

payments were made after the 1940s.

in the 1980s, a commission held investigations and made recommendations.