Why were many medieval monasteries wealthy? They received royal gifts of land and serfs.
They earned income from the sale of products such as wine.
They profited from buying the land of bankrupt nobles.
They received gifts by people seeking salvation.

very positive impact on our industries in the west, sine they promoted settlement and increased the ways in which goods could be transported to market.  

the quran was sent by an angel to muhhamad   which made up the quran they beiliev that there is on   god who controls everything and they believ every prophet lived jesus and the jews prophet