While there have never been wars inside EU territory, the confederation has not been able to prevent European wars outside its borders. When the deadly Balkans wars erupted in the 1990s, the EU was unable by itself to stop them. It was only with the help of the United States and after over 100,000 lives were lost was peace eventually restored in Bosnia and Kosovo.
Ritter reported from Stockholm. AP reporter Louise Nordstrom in Stockholm contributed to this report.