During World War II, many countries were fighting each other, and they needed lots of guns, tanks, planes, and other weapons to protect themselves and fight their enemies. Military production means making those weapons and items for the military.
Factories and workers in different countries worked very hard to make these weapons. They made thousands of airplanes, tanks, and ships. Making these weapons was very important because it helped soldiers to fight and win battles.
The government of each country was responsible for making sure there were enough factories and workers to make the weapons needed for the war. They also had to plan and organize the production of these weapons.
To make sure everyone worked together and efficiently, the government asked people to sacrifice some things. For example, people were asked to buy less meat, sugar, and other foods so they could be used for the soldiers' meals. Women also worked in the factories to help with production, while men went to fight.
It was a tough time for everyone, but their hard work and sacrifice helped to win the war.