War, which took place between 1936 and 1939.
According to the commonly told account, Forrest Mars observed soldiers eating small pieces of chocolate covered in a hard sugar coating. The coating helped protect the chocolate from direct contact with the fingers and made it less likely to melt immediately in warm conditions.
This inspired him to explore the possibility of creating a similar product for the American market.
The concept was particularly appealing because chocolate could be difficult to transport in hot weather. A protective outer shell offered a practical
