Answer:
C-Liberty Bonds
Explanation:
Herbert Hoover lead the food administration, Bernard Baruch served as President Wilson's Advisory Commission on defense, the government issued liberty bonds which were used to pay for the war, and liberty bonds were basically just Americans giving the government money and then after a few years it would be payed back, rationing helped save food so everyone can eat, and victory gardens helped the people make grow their food. The only one that had helped the financial cost of world war 1 is Liberty Bonds.
