Supreme Court Plessy vs. Ferguson case led the way for legalized segregation such as separate restaurants, water fountains, and waiting rooms based on skin color.
Explanation:
Plessy vs. Ferguson
Plessy v. Ferguson was a memorial 1896 United States Supreme Court verdict that confirmed the constitutionality of racial discrimination under the “segregated but equivalent” policy. The case originated from an 1892 conflict in which African American train commuter Homer Plessy denied to sit in a cart for blacks.
That system was founded originally on the expansion of the nomadic lifestyle of the Mongols. Other elements were invented by Genghis Khan, his generals, and his successors.