When a government's top priority is to make sure the country is always ready for a future war, it is called militarism. This early preparation for war was one of the causes of World War I. One example of militarism is

Militarism is when the government extensively promotes and develops the country's military for aggressive use against any enemies. In such a society, the military plays a central role in the government, if not the predominant role. North Korea, the Soviet Union and Sparta are three examples of militaristic societies.