During the 1970s which factor best explains why the United States was able to stay out of foreign conflicts

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.

4. any area in which one nation has power over another; i.e. - this happened to china when it was defeated by japan

Which of the following was probably the most difficult challenge facing construction of the railroad?