A. It became a trading center due to its location and size.
Some of the diseases were new and treatments were ineffective. Malaria was deadly to many new colonists, especially in the Southern colonies. Of newly arrived men, over one-fourth of the Anglican missionaries died within five years of their arrival in the Carolinas. Mortality was high for infants and small children, especially for diphtheria, small pox, yellow fever, and malaria.
Originally a dependency of the Shang, the Zhou developed quickly under the reign of King Wen (Wenwang) and King Wu (Wuwang). In 1046 BC, King Wu defeated the Shang and established the Zhou. This signaled what is called the Western Zhou in Chinese history.