The War Industries Board, the War Labor Board, and the Food Administration were all created as part of the United State war effort in World War 1. Their creation demostrates that in time of war

Document that showed fhat germany was trying to establish mitary alliance with mexico. Click again to see term ... The War Industries Board , the war labor board, and the Food administration were all created as part of the United States war effort in WWI. Their creation demonstrates that in time of war,. A. Government .

Explanation:

president thomas jefferson commissioned the expedition shortly after the louisiana purchase in 1803 to explore and to map the newly acquired territory, to find a practical route across the western half of the continent, and to establish an american presence in this territory before britain and other european powers