Which of the following statements best shows the extent of the Aztec Empire? (1 point)
1. The Aztec Empire mostly occupied the Valley of Mexico and did not expand beyond it.
2. Although it began in the Valley of Mexico, the Aztec Empire expanded to include territories as far south as mode Guatemala.
3. The Aztec Empire covered all of what is now modern-day Mexico, as well as the Valley of Mexico.
4. The Aztec Empire included all of the territory around Lake Texcoco, such as Tenochtitlan.