conquering of the Aztecs by Cortez , history homework help

Write a short account of the conquering of the Aztecs by Cortez including who, what, when, where and why it happened. Be sure to explain why it was so easy for Cortes and his men to conquer the mighty Aztec Empire. 250 word minimum

https://www.bing.com/videos/search?q=cortes+and+th…

http://www.livescience.com/39238-hernan-cortes-con…

http://www.aztec-history.com/hernan-cortez-biograp…