Islam gained momentum during the 10th century in West Africa with the start of the Almoravid dynasty movement on the Senegal River and as rulers and kings embraced Islam. Islam then spread slowly in much of the continent through trade and preaching.
The best answer in terms of Roger Williams would be that "<span>b. He supported religious toleration," since he was a firm believer in fairness and the doctrine of the separation of powers. </span>
Overcrowding was most directly contributed to the spread of disease in city tenements in the early 1900.
Back then , the city was shocked by smallpox epidemic. Since smallpox is easily transmitted by contact, overcrowded areas are the perfect breeding spot for smallpox ( they still has not developed small pox vaccine back then)
It refused to recognize the new Chinese regime and focused on Japan as its main ally in Asia.