Upon the return of Hernán Cortés to the Aztec city of Tenochtitlán, war between Spanish forces and the Aztecs had already commenced. Although the power of the Aztec forces resulted in the Spanish and their allies retreating from the city of Tenochtitlán, the Spanish could eventually regroup and return. Upon the regrouping of Spanish forces, they return to wage battle and siege to the city of Tenochtitlán. Although the Aztec Triple Alliance had outnumbered the Spanish, after a long and bloody fight, the Spanish won. There are multiple variables in which the Spanish won the battle of Tenochtitlán instead the Aztec people, but the purpose of this paper is to focus on the Spanish alliances. The alliances made by the Spanish is the primary variable,
