This organization was created after the signing of the Maastricht Treaty.
The treaties of Nice and Amsterdam modified the structure of this entity's three pillars. A predecessor to this entity was created by the work of Jean Monnet and Robert Schuman, which focused on coal and steel. One part of this organization is led by José Manuel Barroso, who is president of this entity's Commission. This organization was created after the signing of the Maastricht Treaty. For 10 points, name this organization that attempts to connect countries of a certain continent, whose monetary unit is the euro.
The treaties of Nice and Amsterdam modified the structure of this entity's three pillars.
{European Union} [or {EU}]