Question

The purpose of the War Production Board (WPB) was to _____.

Answer 1

In the United States, the purpose of the War Production Board (WPB) was to "oversee the conversion of peacetime industry to war industry," since many private business were helping the war effort by producing goods, and the effort needed to be coordinated. 

Answer 2

regulate the production of civilian goods and control inflation

this is the correct answer, you're welcome.