Fears of spies and sabotage in the united states during the war led to
a. restrictions on immigration.
b. discrimination and violence toward 30s.
c. repression of free speech.
d. all of the above.

What kind os source would a historian use to get a firsthand account of a past event

Two books are used to model tectonic plates

Which of these statements describes a long-term impact of european imperialism in africa? a. african countries joined together to present a united front against imperialism. b. europeans paid african countries after colonizing them, offering these new countries a fresh start. c. european powers drew the current borders, splitting ethnic groups among modern countries. d. africans became more loyal to their countries than to their ethnic groups.