Question 14... How did Jim Crow laws, poll taxes, and literacy tests affect blacks in the period following the Civil War? A)
They helped make it possible for blacks to vote.

B)
They promoted economic independence for freed slaves.

C)
They promoted segregation and denied blacks their rights.

D)
They had little effect on blacks.

What is the main difference between primary and secondary sources? a. primary sources are historical documents, and secondary sources are modern-day documents. b. primary sources are derived from museums and archives, and secondary sources are created by history students and academics. c. primary sources are found in ancient places with a rich history, and secondary sources are found in historical journals and blogs. d. primary sources are created during a particular historical era, and secondary sources are created by studying primary sources.