Plessy v. Ferguson set forth the doctrine of "separate but equal" which enabled institutionalized segregation as long as things were "equal"
However, the Court did not define what equal really meant.
So, you might see a bathroom for African-Americans that was a hole in the ground while the whites only bathroom was pristine and modern.
The Ghana Empire amassed large volumes of gold and resources, expanded trade among nations near and far, established a structured court system and introduced standard military organization.<span> The Ghana Empire, also called the Kingdom of Ghana, enjoyed significant power from the ninth century to the 11th century A.D. Kings and rulers discovered significant gold deposits in the kingdom's lands, such as Mali, Mauritania and Senegal, and the newfound wealth helped rulers establish a powerful, prominent kingdom.</span>
The answer is a the president lost power to the supreme court
The bombing of Pearl Harbor