The foundation of China's government and educational system was ___. the collected sayings of the emperors
a series of changes enacted by Genghis Khan
the teachings of Confucianism
democracy

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