Why was the war Production Board (WPB) established during World War II? A. to control inflation by keeping prices low on most goods and
services
B. to allot resources to the armed forces and war industries as needed
C. to organize scientists in developing useful new products
D.to spread propaganda and influence the public in favor of the war effort

B. to allot resources to the armed forces and war industries as needed

Explanation:

The War Production Board (WPB) was established on 16ty January 1942 as part of the government's efforts to help the war efforts of the country.

It's function was to allot and regulate resources during World War II for American militaries as they were needed.

It is a primary source because the person was actually there and saw the artifact and dug it up.