Question

in the context of world war i, aef stands for what?
australian-european front
american expeditionary forces
american-european federation

Explanation:

During World War I, the American Expeditionary Forces (AEF) was the name given to the United States' military forces sent to Europe to fight in the war. The term "Australian - European Front" is not a recognized term related to World War I military forces. The "American - European Federation" is also not a relevant military force designation for World War I.

Answer:

B. American Expeditionary Forces