What was the purpose of the war production board (wpb)?

The war production board was an office organized by President Roosevelt during world war two and its purpose was to regulate things that were important for the war such as fuel consumption and allocation or similar things. They also supervised other manufacturers who made things that were necessary for the war such as weapons or similar things.

The purpose of the War Production Board/WPB was to regulate the production of things such as fuel and materials. It was also for the allocation of materials and fuel during WWII for the citizens of the United States. It was an executive order by President Roosevelt.