What is america's role in ww1 diplomacy

American neutrality

The president insisted that all government actions be neutral, and that the belligerents must respect that neutrality according to the norms of international law.

The Americans helped the British Empire, French and Portuguese forces defeat and turn back the powerful final German offensive, also the Americans played a role in the Allied final offensive

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powers  are  denied  to the  national governmentin three distinct ways: some  powers, such as the  power  to levy duties on exports or prohibit the freedom of religion, speech, press, or assembly, are expressly  denied  to the  national government  in the  constitution.

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step-by-step explanation:

look at the x and y axis