In both Mesopotamia and Ancient China, the early civilization started A. in high mountains
B. near two rivers systems
C. on the ocean shore
D. around three big lakes

Which of the following situations best demonstrates the principle of separation of powers in the u. s. government? a. the president can veto laws passed by the legislature. b. the courts must approve constitutional amendments. c. states create their own educational policies. d. members of the legislature are elected by voters.