What caused the New Kingdom to fail?

The New Kingdom of ancient Egypt, which thrived from the 16th to the 11th century BCE, ultimately declined due to a combination of internal strife, economic difficulties, and external invasions. Political instability arose from a series of weak pharaohs and power struggles among nobility, undermining central authority. Additionally, prolonged military campaigns drained resources, while invasions by foreign powers, such as the Sea Peoples, further destabilized the region. These factors collectively contributed to the gradual disintegration of the New Kingdom's power and influence.