Final answer:
Ramses II's long reign had significant effects on ancient Egypt, including the commissioning of numerous works of art, and the kingdom's stability and peace. However, he did not change Egypt's religious practices.
Step-by-step explanation:
The most important effect of Ramses II's long reign was that he commissioned many works of art, leaving behind impressive monuments and statues that showcased the power and wealth of ancient Egypt. His reign also saw the kingdom being stable and at peace, which allowed for economic prosperity and cultural development. While Ramses II did not bring about a transition to monotheism, he did not return Egypt to its original religious practices either.
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