<span>They disproved that earth was the center of the universe, that's pretty innovative. </span>
Answer:
1. Provisions of this civil rights act forbade discrimination on the basis of s3x, as well as, race in hiring, promoting, and firing.
2. It outlawed the discriminatory voting practices adopted in many southern states after the Civil War, including literacy tests as a prerequisite to voting.
Explanation:
Insuring domestic tranquility is simply meaning they are keeping the peace within the country, city, town, or state. Mainly to keep things like the civil war, ww1, ww2, and the cold war from happening again.