The most accurate response regarding the impacts of Moctezuma I on the Aztec Empire is:
Moctezuma I expanded the Aztec Empire’s territory. He also solidified alliances, which granted him more power. He enacted political and social reforms as well, such as requiring religious schools across the empire.
This captures the significant aspects of Moctezuma I's reign, including territorial expansion, strengthening alliances, and reforms in the educational and religious sectors.