Why were Americans encouraged to grow their own food in victory gardens?

To conserve resources for the war effort.

Explanation:

the story goes that because of this belief, constantine was able to defeat his foes. constantine became an ardent1 christian. christianity and other religions were tolerated under constantine's rule. constantine also was responsible for the building of a great cathedral in rome.

the space race was a battle to make advanced technology to get to the moon and to get a better understanding of space.