11. which of the following was a factor in the united states dominating the world economy after world war ii? a. the other major manufacturers of the world stopped trading. b. the united states was mostly untouched by the devastation of the war. c. the united states organized a free trade agreement with china. d. the united states greatly raised tariffs after the war. 12. what was the impact of the civil rights protests in birmingham? a. civil rights protests were now banned in other cities. b. the protesters rioted, hurting the civil rights movement. c. americans saw the police brutality and injustice faced by civil rights protestors.