The Home Front Canada and many of its citizens were committed to supporting the war effort. Prime Minister Borden replaced Sam Hughes’s Shell Committee with the more efficient Imperial Munitions Board, and munitions factories started building ships and airplanes as well as shells. The production and export of Canadian goods reached record highs. Resources such as lumber, nickel, copper, and lead were in high demand. Canadian farmers produced as much wheat and beef as they could to feed the troops overseas. This demand for Canadian goods helped its economy boom during the war. Most of what Canada produced was exported to Europe, so many goods became scarce within Canada, which caused prices to rise. Some Canadian businesses made enormous profits from the inflated prices. Workers became increasingly frustrated by government controls that kept wages low yet allowed prices to rise. Workers’ demands for higher wages and better working conditions became a major issue after the war.