What event in 1917 most benefited the Allies?(1 point)

Question

Responses

The United States declared war against Germany.
The United States declared war against Germany.

Woodrow Wilson published his Fourteen Points.
Woodrow Wilson published his Fourteen Points.

Germany agreed to end unrestricted submarine warfare.
Germany agreed to end unrestricted submarine warfare.

Russia signed the Treaty of Brest-Litovsk.

Answer 1

The United States declared war against Germany.