In 1986 Supreme Court upheld the segregation through the constitution under the doctrine of "separate but equal" which stemmed in the case of Plessy v. Ferguson. Homer Plessy, who was an African American train passenger refused to sit with Jim Crow and was brought to Judge John H. Ferguson.
As the United Nations formed , tensions began to ride .
Answer: The United States had taken possession of the Philippines (as well as Guam and Puerto Rico) in 1898, after winning the Spanish-American War. Thus US interest in Asia was heightened.
At the same time, other nations had begun competing for "spheres of influence" in trade access with China.
Further detail:
The Open Door policy was issued by the United States in 1899-1900 as a series of dispatches from the US Secretary of State to other nations that had trading interests in China -- Great Britain, Germany, France, Italy, Japan, and Russia. The policy reasserted earlier agreements that all countries should have equal access to ports in China, without undue preference to "spheres of influence" for one nation or another. The United States was seeking to maintain an equal footing with other nations in the access to trade in China.
The Compromise of 1877, also known as the "Corrupt Bargain" or the "Great Betrayal" marked the end of Reconstruction in the South and a return to "Home Rule". The Compromise of 1877 was reached to settle the disputed 1876 U.S. Presidential election.