What was the Hershey bar used for in World War 2?

During World War II, the Hershey bar was included in U.S. soldiers' rations as a source of energy and morale. The chocolate was designed to withstand high temperatures and had a longer shelf life, making it suitable for military use. Soldiers appreciated the sweet treat as a comforting reminder of home amid the hardships of war. Additionally, Hershey bars were sometimes used to barter for goods or favors among troops.