militarism

/ˈmɪlɪtərɪzəm/
noun
  1. The belief or policy that a country should have a strong military and be ready to use it aggressively to achieve its goals.
    • Many historians blame the rise of militarism for starting the war.
    • Citizens protested against the growing militarism in their country.
    • The government's militarism led to huge spending on weapons instead of schools.