The United States has a federal form of government due to which of the following reasons? O A. It was a demand by the British as a condition of surrender in the Revolutionary War.
OB. It is because the Constitution reserves certain powers to the states.
o C. It is because the Federal Government holds all political power in the United States.
O
D. It is because of the separation of powers of the Executive and Legislative branches.

“[the city’s engineers excelled in areas] neglected by the greeks, such as the construction of roads and aqueducts, and of sewers that could wash the filth of the city into the tiber. they have built paved roads throughout the country, leveling ridges and filling up hollows, so as to make possible the movements of heavily loaded wagons. . and such is the quantity of water brought in by the aqueducts, that veritable rivers flow through the city and its sewers: almost every house has cisterns, waterpipes, and copious fountains.” —strabo, as quoted in empires ascendant: time frame 400 b.c.–a.d. 200 cisterns are tanks that hold water until it is needed; if a house has a cistern, it is likely to also have a. aqueducts. c. a swimming pool. b. a fish pond. d. sinks and faucets.