What advantage/weakness had the biggest impact on the War’s outcome.

Ineed on 2-4 i want y’all to reply to this question so i can turn this into my teacher tomorrow

In which sentence is the italicized word used correctly? a) the sloth is a benefactor that primarily feeds on vegetation, insects, and small birds and reptiles. b) the flood victims were eternally grateful to their benefactors who provided them with food, shelter, and clothing. c) the spectators in the stadium all cheered when the benefactor announced the game would go into overtime. d) the benefactors visiting the laboratory were impressed by the complex equipment the scientists used.

Who was in charge of american troops during world war i?