Acountry allows the heads of its most powerful religious group to make all of its laws and policies. this is an example of which of the following forms of government?

a.
republic

b.
oligarchy

c.
democracy

d.
theocracy

Which of the following was not an effect of westward expansion? a. native american tribes suffered confinement on reservations. b. native americans learned new techniques of irrigation. c. many native americans died from the spread of disease. d. natural resources were depleted from misuse by white settlers.