Why was gasoline and nylon rationed in world war 2?

During World War II, gasoline and nylon were rationed to support the war effort and conserve essential resources. Gasoline was crucial for military vehicles, and restricting its use for civilian purposes ensured that more fuel was available for troop movements and logistics. Nylon, primarily used in the production of parachutes and other military supplies, was also rationed to prioritize its availability for the armed forces, reflecting the need to allocate materials effectively during the conflict.