The answer be to have a force to protect against enemy aircraft. :) Hope it helps!
In the months leading up to World War I, the United States wanted to maintain its neutrality because...
the U.S. was trading heavily with European nations and did not want its business interrupted.
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The development of the mayflower compact(first official document that mentions communal governing), the failure of Britain to maintain salutary neglect, the taxation without representation imposed on America by Britain, and Benjamin franklin who spoke of the unification of the New England colonies.