Answer:
1820
On March 3, 1820, Congress approved the Missouri compromise, a law that maintained a balance in the Senate between free and slave states. The pact only lasted 34 years, and its elimination was one of the contributing factors that led to the Civil War.
Not only did it renew the morale of the American public, but it convinced potential foreign partners, such as France, that American could win the war<span>, and that it might be in their best interests to send aid.</span>
Biotic is the correct answer
They played a role against the violation of human rights because of the inequality the world had against race,color,ethnicity and even weight/height. When people protested about this topic, people were less hateful to diversity and would allow any other skin color, weight or races into this world.