Sources for fall of the empire:

http://www.aztec-history.com/fall-of-the-aztec-empire.html

http://www.pbs.org/conquistadors/cortes/cortes_a00.html

http://www.humanities360.com/index.php/causes-for-the-fall-of-the-aztec-empire-2-6220/

Sources for Social Heirarchy

Pictures:  http://www.mexicolore.co.uk/aztecs/kids/aztec-family-life and http://mswirzba.weebly.com/grade-8-social-studies/aztec-social-hierarchy

Information: www.aztec-history.com, http://www.history.com/topics/aztecs, http://www.houstonculture.org/mexico/aztecs.html

Sources for Role of Military:

http://www.history.com/this-day-in-history/spanish-retreat-from-aztec-capital

http://www.ancientmilitary.com/aztec-warriors.htm

http://aztec.com/page.php?page=religion

Sources for Cultural Mosiac:

http://www.aztec-history.com/aztec-empire.html

http://www.history.com/topics/aztecs

http://www.ancient.eu/Aztec_Civilization/

Sources for Maps:

http://aztecgroup.blogspot.com/p/aztec-environment.html

 

https://bmssancientcivilizations.wikispaces.com/Aztecs

 

http://www.houstonculture.org/mexico/aztecs.html

 

https://bmssancientcivilizations.wikispaces.com/Aztecs

 

http://www.latinamericanstudies.org/aztec-maps.htm

 

http://www.legendsandchronicles.com/ancient-civilizations/the-ancient-aztecs/aztec-economy-trade-and-currency/

Sources for Government Heirarchy 

http://en.wikipedia.org/wiki/Aztec_Empire

http://www.aztec-history.com/about-aztec-history.html