The enlightenment changed the mind set of people where they used reasoning and observation and this led to development of scientific revolution.
<u>Explanation:</u>
Enlightenment came in the sixteenth and the seventeenth centuries majorly in France and with the coming of this, the mind set of the humans changed and they paid more attention to observation and experiment which led to the formation of the laws and moved away from superstitions. Because of use of human mind for observation, this led to the development of the scientific revolution where more importance was given to reasoning.
Radical Republicans were upset about both plans because they wanted to destroy all political power of farmer slave owners. They were known as "radical" republicans because they wanted to give full citizenship for African Americans so can have the right to vote.
Answer:constitutionality of racial segregation under the “separate but equal” doctrine. the Supreme Court ruled that a law that “implies merely a legal distinction” between whites and blacks was not unconstitutional.