Secretary of War Newton D. Baker informs Maj. Gen Frederick Funston that the US withdrawing from Mexico.

The caption says it all.

Newton D. Baker.

Frederick Funston.

Well, I suppose it might not if you don't know  who Frederick Funston was.  He was the commander of American forces in the Southwest and in overall  charge of the forces then in Mexico, contrary to it being John Pershing, whom people typically imagine to have been in overall charge.  Pershing was the commander in the field, and Funston was his superior.