Countries devoted all available resources to the war effort, eg, switching from peacetime to war production.
The war to end all wars
World War 1
At the time, World War II was often referred to as the "Second World War" or simply "the war." In various nations, it was also described in terms of its specific theaters, such as "the European War" or "the Pacific War." Additionally, in some contexts, it was referred to as "the Great Patriotic War" in the Soviet Union, particularly in relation to the fight against Nazi Germany.
The First World War is also commonly referred to as World War I, the Great War, and the War to End All Wars. The latter name reflects the hope that the conflict would be the last of its kind, given its widespread devastation. In some contexts, it may also be referred to by its specific dates, such as the 1914-1918 War.
Until the early 1940s World War 1 was usually referred to as the Great War.
Subs are often referred to as boats.
The war to end all wars
World War I started in 1914. It is often referred to as the "Great War". World War II started in 1945.
World War 1
At the time, World War II was often referred to as the "Second World War" or simply "the war." In various nations, it was also described in terms of its specific theaters, such as "the European War" or "the Pacific War." Additionally, in some contexts, it was referred to as "the Great Patriotic War" in the Soviet Union, particularly in relation to the fight against Nazi Germany.
It was an undeclared war.
Duration camps during World War 2 were used to house threats to national security and captured enemies. Duration camps are often referred to as refugee camps.
He conducted what was referred as "Total War", saying: "...War is hell"!
During World War 2 it was often referred to as the 'meatball,' but it would not be politically correct to use the term today.
The First World War is also commonly referred to as World War I, the Great War, and the War to End All Wars. The latter name reflects the hope that the conflict would be the last of its kind, given its widespread devastation. In some contexts, it may also be referred to by its specific dates, such as the 1914-1918 War.
Until the early 1940s World War 1 was usually referred to as the Great War.
Ground crews were often referred to as "grease monkeys."