Respuesta :
Answer: 1. World War I lasted from 1914 to 1918.
2. Approximately 10 million military personnel and 7 million civilians died in WWI.
3. Nationalism, imperialism, alliances.
4. Germany, Austria-Hungary, and Italy belonged to the Triple Alliance in 1914.
5. Archduke Franz Ferdinand was killed on June 28, 1914 at Sarajevo, Bosnia.
6. Austria-Hungary gave Serbia an ultimatum demanding that they take steps to suppress anti-Austrian agitation and punish those responsible for the assassination of Archduke Franz Ferdinand.
7. Russia backed up Serbia in the showdown with Austria-Hungary.
8. Germany was alarmed and responded by mobilizing its own troops.
9. Germany declared war on Russia and France in August 1914, beginning the war in Europe.
10. France and Britain were allied with Russia.
11. Belgium was attacked by Germany in 1914.
12. Canada entered World War I to support Britain, as it was a member of the British Empire at the time and wanted to show its loyalty and support. Additionally, many Canadians felt a sense of duty to defend their country and its allies
Explanation: