Which factor most contributed to the 405 AD events described in the source? А invasion of Japan by Mongols during the Yuan Dynasty
B. overseas expansion of China
С location of the Yangtze River
D
diffusion of Chinese culture through the Korean peninsula

How does the supremacy clause of the u.s. constitution affect the states? o a. it requires each state to establish a supreme court. b. it declares that the federal government can take away state powers if necessary. o c. it allows state governments to overthrow the federal government if necessary. o d. it ensures that the u.s. constitution overrules each state constitution