6 abr 1917 año - US joins Allies

Descripción:

- controversial, as many Americans believed in
neutrality or peaceful isolation
- before this they were economically involved in
the war; providing money, ammunition, and
supplies
- German subs began to target all merchant
ships, including those of neutral countries
- the sheer number of American reinforcements
soon caused the battle weary Germans to give
up

Añadido al timeline:

fecha: