People of various races riding on a bus with the ability to sit anywhere. 2012 The Associated Press The seating arrangement on this southern bus reflects changes started by the ruling in <em>Madison Brown v. Board of Education</em>. It was held in 1954 and struck down the doctrine of “separate but equal” established by the Supreme Court in Plessy v. Ferguson in 1896. Racial segregation was proved to be unequal and unconstitutional.
The answer to your first question would be C. The answer to your second question is B.
This plan is known as the Open Door Policy.
This idea was introduced by Secretary of State John Hays in 1899. The goal of this plan was to ensure that all nations had the ability to trade with China. Even though this plan referred to the ability of all nations to trade with China, the real reason behind its development was the fear of the US government being blocked out of trading with China by European countries.