Why did president wilson wilson withdraw american troops from mexico in 1917

President Wilson eliminates American troops withdrew from Mexico in 1917 as President Wilson became supplanted in maintaining Venustiano Carranza attain control. This continued following the chase had been achieved to capture Pancho Villa. Moreover, the United States recognized Carranza's presidency and the American battlers under Pershing escape to New Mexico.

i think it would be reparing roads  

b. martin luther king jr. wrote and spoke "i have a dream"

explanation:

i know this 100 percent is correct   b. is the best one. < 3