 This disproportionate allocation regimen often left the Maritime Commission without the resources needed to accomplish the goals established for it by President Roosevelt, and only through direct appeal to FDR by Admiral Land did enough of the critical resources make it to the emergency program.These shortages were their most severe during all of 1941 and through much of 1942, but additional steel rolling and plate mills, as well as expanded propulsion machinery manufacturing capability, reduced many of those shortages in the course of 1943, but they were never fully eliminated until the end of the war.Materials such as oil, gasoline, rubber, and grease were rationed for the fighting units, so the Pennsylvania Shipyard had to improvise, but bananas were very cheap, South American markets having been hampered by the war .