Changes in the money supply affect people and businesses in a variety of ways. The size of the money supply can increase and decrease the cost of borrowing or the rate of interest thus making it easier or harder for businesses and individuals to borrow money. Also the size of the money supply or a nation's monetary policy can influence inflation and the growth of an economy which influences both individuals and businesses as well.
The Chinese were the origins of the Silk Road providing many exports to the rest of the world: The Chinese exported porcelain, tea, silk, and other items.
The Ottomans were the trading post for Silk Road goods into Europe: European traders would come to the Ottoman Empire to trade their goods for goods from all along the Silk Road.
I think you can put government or industry and other things
Answer:
domesticated animals were used to haul food over long distances