During the mid-1800s, the development of the factory system in the united states contributed to a. a decline in the number of immigrants b. the overall lowering of the standard of living c. the rapid of growth of rural communities d. the rapid growth of cities

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.