Although the 4 early river valley civilizations developed in different parts of the world without any evidence of communicating with each other, why did they end up having similarities to each other? (They are Mesopotamia, Ancient Egypt, Indus, and Ancient Chinese Yellow River Civilization)

During world war ll, which was an axis nation ? china hong kong japan the philippines

In 1944, the supreme court upheld the authority of the u.s. government to order the internment of a minority group in the interest of national security, even though there was no evidence that any members of this group were disloyal to the united states. should the same policy be applied today against u.s. muslims or muslim immigrants? why or why not? are these forms of internment different from native reservations? if so how? if not, why?

Where did people have to work with great organization to be successful at farming? a. on the yellow river basin c. on the hangzhou bay b. on the yangzi river basin d. on the hubei basin