Below is a statement from a historian reflecting on the Reconstruction time period.
"Although important strides were made, Reconstruction failed to provide lasting guarantees of civil rights of the freedmen."

Which evidence best supports this statement?

Establishment of Jim Crow laws

Passage of the Civil Rights Act of 1866

Ratification of the 13th, 14th and 15th amendments

Refusal of the Southern States to allow sharecropping