Following the Defeat of Napoleon in 1815, Europe's Five Major

Following the defeat of Napoleon in 1815, Europe's five major powers

A) ushered in a period of relative peace in the international political system.
B) included Ireland, France, Germany, Hungary, and Austria.
C) split into seven smaller countries and continued fighting.
D) became liberal democracies and established the European Union.
E) forged an alliance against invading African armies.