Alliances- a union or association formed for mutual benefit, especially between countries or organizations

Imperialism- a policy of extending a country's power and influence through colonization, use of military force, or other means

Militarism- the belief that a country should maintain a strong military capability and be prepared to use it aggressively to defend or promote national interests

Nationalism- identification with one's own nation and support for its interests, especially to the exclusion or detriment of the interests of other nations