I think is france because it inolved major battle between other allies and also plus great britian help too.
hope it help
Maybe..... the signing of the constitution???
Answer:
Aztec Empire
Aztec Empire Triple Alliance Ēxcān Tlahtōlōyān
Historical era Pre-Columbian era Age of Discovery
• Foundation of the alliance 1428
• Spanish conquest August 13, 1521
Explanation: