What is imperialism ?
the policy of acquiring and controlling dependent territories carried out by a state
What is nationalism ?
a patriotic belief by people in virtues and power of their nation
What is militarism ?
excessive emphasis on military ideas and strength. The supremacy of military values such as discipline, obedience and courage in a society
What is an entente ?
a friendly understanding between states, rather than a formal alliance
What is a diplomatic revolution ?
a complete change in alliances and relations between states