That human nature allows people to be selfish. Hope this is right
Answer:
C. The court ruled that discrimination in public places was illegal.
Explanation:
Redeemer Democrats cancel many re-constructional laws in the 1880s and discrimination become common in public places.
Jim Crow Laws enforced discrimination or separation in all aspects of society such as trains, schools, restaurants, playgrounds, hospitals even drinking water fountains.
It is "C. the power to make treaties" that requires a 2/3 vote from the Senate, since the Founding Fathers wanted to ensure that the United States only made such treaties with reliable nations.