Answer:
Historians have identified several key causes, including: rats, trade networks such as the Silk Road, warfare such as the crusades, poor hygiene and a lack of medical understanding.
Explanation:
Japan have had reason to resent the Five-Power Naval Treaty of 1922 because it allowed them fewer ships than the U.S. and Britain in which they limited the kindly o<span>f parity they hoped to have on the world stage in terms of naval power. </span>
President Thomas Jefferson sought to purchase the town of New Orleans and the surrounding territory, then simply known as the Louisiana Territory, from the French in order to secure trading routes for the United States. He wanted to prevent any disruption in American economics that would come from disrupted trade
Advances in steel production and oil refining affect US industry History greatly in that it led the US to be one of the more leaders of the Industrial Revolution, next to Britain.
