Why is it necessary to eat less meat and less wheat bread?

The poster showing lengthy text, explaining the need to conserve meat, wheat, fats, sugar, and coal. No. 7The digitization of this collection was funded by a gift from EBSCO Industries.

Bibliographic Details
Main Author: United States Food Administration (Issuing body)
Format: Electronic
Published: University of Alabama Libraries
Subjects:
Online Access:http://purl.lib.ua.edu/166143