Mexican rebel Pancho Villa began attacking in Mexico and across the border. a.
US Naval Ships
c.
US Army troops
b.
U.S. civilians
d.
all of the above

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Explanation:

War destroys communities and families and often disrupts the development of the social and economic fabric of nations. The effects of war include long-term physical and psychological harm to children and adults, as well as a reduction in material and human capital.