How did the development of irrigation systems improve living conditions?
a.
it allowed people to move out of town onto farms.
b.
it made people less dependent on trade.
c.
it gave people a surplus of food.
d.
it made people switch from hunting to herding.

What directive in source a might have been at the root of the action described in source b?

Which statement is true of both presidential and parliamentary systems of government?

Why was the u.s. annexation of hawaii delayed until william mckinley became president? a: the rebels who overthrew queen liliuokalani opposed u.s. annexation. b: the senate did not approve the treaty of annexation until mckinley entered the white house. c: supporters of the nationalist cause were in the majority in hawaii until 1898. d: mckinley’s predecessor, grover cleveland, refused to sign the treaty of annexation.