How do I describe how ancient Egypt went into a decline in three sentences?

ancient Egypt's decline can be attributed to a combination of internal strife, economic challenges, and external invasions. Political instability, characterized by a series of weak pharaohs and power struggles among nobility, weakened the central authority. Additionally, invasions by foreign powers, such as the Assyrians and Persians, further eroded Egypt's sovereignty and resources, leading to its eventual subjugation and fragmentation.