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Why is it important that dr. luther king jr. use non-violent protest to create social change?

Which of the following describes an effect of world war ll on the united states economy a. automobile companies produced a record number of cars b. many factories had to expand to produce military equipment c. the airplane industry suffered as the allies began using airplanes in combat d.cities with shipyards declined because so many ships had been sent overseas.

Why did alexander give the soldier who saved the hat band a reward? why did he then order the man's head cut off?