Answer:
The war started mainly because of four aspects: Militarism, Alliances, Imperialism and Nationalism. This is because big armies become potential threats to other countries, other countries started forcing alliances in order to secure land. ... The overall cause of World War was the assassination of Archduke Franz Ferdinand.
was born on February 25, 1778 in Yapeyu, Province of Corrientes, Argentina.
he died on August 17, 1850 France.
his parents were Juan de San Martín and Gregoria Matorras.
he was known for leading or helping lead the liberations of Argentina, Chile and Peru from Spain.
He was educated in a military academy in Madrid
NATO now include crisis management and peacekeeping, as those have become more needed due to terrorism. NATO was originally made to just keep Communism from spreading.
Brainliest please.