Which law(s) passed after the civil war amendments reverted many freed african americans back to conditions similar to those characterizing their previous lifestyles before they gained their citizenship (such as forbidding blacks from jury duty and laws against their appearing in public places)?

According to the 15th Amendment in constitution of United states that order state and central government not discriminate anyone on the basis of race, color and on their previous lifestyle.

Explanation:

According to the 15th Amendment in constitution of United states that order state and central government not discriminate anyone on the basis of race, color and on their previous lifestyle. This amendment is basically for African American man which ensured men for right to vote.

This amendment is enforced in 1870 and consist of 2 section

d. the polar jet stream   lies between the polar easterlies and trade winds should be your answer

answer; i do believe that its(gestation,suction-aspiration or vacuum aspiration;