What happened in 1914 that led the world war 1?

How many people lost their lives in ww1? Who invented the slave trade? Who were the first nations in the cordillera region? If we are ever at world war 3 what country would be destroyed and what country would be not at all? Who imperialized Tibet? Who served as the music director for the Austrian royal court for thirty-six years and supposedly was on unfriendly terms with Mozart? When the pilgrims reach the new world what did they see? What ended the Thirty Years' War? What ways do government and cultural practices prohibit Latinos from obtaining wealth and what can be done? Why was the dual monarchy formed? What did the major leaders agree to at the tehran conference? Which emperor organized Roman laws into a code of laws in 530 AD? Which city had the worst incident of racial violence due to wartime migration? What did the colonial army wear? Who developed the idea of social contract? What skills do you need to have for being a coureurs de bois? How did Mary Ann Bugg die? What does the name Mondo mean? After the Sepoy Mutiny who was control of the Indian government given to? Who is the master of history in the world?