EUROPEAN EMPIRE : Britain,france, germany;russia,austria hungary
different culture languages and ethnicities within an empire weakining the empires.
NEW POWERS: Japan, USA,Europe not the only source of power map countries much bigger.
NATIONALISM:identificacion with ones own nation and support for its interest especially to the exclusion or detriment of the interest of other nations.
IMPERIALISM: A policy of extending a country power and influence through diplomary or military force.
MILITARISM: believes or desire of a goverment of people that a county should maintain a strong military capability and be prepared to use it aggressively.
ARMS RACE: a competition between nations for superiority in the development and acuumulation of weapons.