A fleet carrier is intended to operate with the main fleet and usually provides an offensive capability. These are the largest carriers capable of fast speeds. By comparison, escort carriers were developed to provide defense for convoys of ships. They were smaller and slower with lower numbers of aircraft carried.
The First World War was sparked in the Balkans in 1914 when members of Mlada Bosna, a revolutionary organization with predominately Serbian and pro-Yugoslav members, assassinated the Austro-Hungarian heir Archduke Franz Ferdinand of Austria in Bosnia and Herzegovina's capital, Sarajevo.
AP European History: World War I. 1  Tensions in Europe: Political, Social & Entangling Alliances 8:10. 2  The Powder Keg of Europe During WWI 8:46. 3  Triple Alliance and Triple Entente in Europe on the Eve of World War I 5:54. 4  4:26 Next Lesson. 5  End of WWI: the Treaty of Versailles & the League of Nations 5:52. 6  AP European History: World War I. 1  Tensions in Europe: Political, Social & Entangling Alliances 8:10. 2  The Powder Keg of Europe During WWI 8:46. 3  Triple Alliance and Triple Entente in Europe on the Eve of World War I 5:54. 4  4:26 Next Lesson. Causes of World War I: Factors That Led to War.