C. He was injured and had to return back to England to recover he had sustained an injury from a gunpowder explosion
The Food Administration during WWI controlled rations and food supply. The War Trade Bond I believe supplied and controlled U.S. militaries w/ military weapons. Hence, it was B. Committee on Public Information which controlled propaganda during WW1.
The Industrial Revolution began in Great Britain, or England.
Germany restricted its submarine warfare in response to international outage.