So Ma'at and the pacifist nature which emphasized harmony and spirituality in a way led to the fall of Africa.

The idea is intriguing but only partly true, and the fuller picture is more interesting than a simple yes.

Maat was never a pacifist doctrine in the sense of refusing war. The universal principle of Maat, signifying order and justice, was actually central to the Egyptian notion of just war, and it gave Egypt virtually no limits on what it could take or do to guarantee the ambitions of the state. Egyptian pharaohs launched military campaigns across the Levant and Nubia for centuries, and they justified every one of those campaigns as the restoration of Maat against the chaos of isfet. Harmony and conquest were not opposites in the Egyptian worldview; conquering disorder was the point.

What Maat actually emphasized

Maat was to ancient Egypt what Wisdom was to ancient Greece. It insinuated itself into every aspect of classical Egyptian life, including its political life. What it demanded of a ruler was not passivity but moral legitimacy: the king had to demonstrate that his rule upheld truth and order, and war waged to restore that order was not a violation of Maat but an expression of it.

The concept also had internal social force. The laws derived from it included "I have not terrorized anyone" and "I have not behaved with violence" and "I have not caused disruption of peace," principles about how people treated each other within Egyptian society, not a prohibition on defending or expanding the state against foreign threats.

What actually caused Egypt's fall

When Egypt fell, the culprits were concrete, not philosophical.

The first clear sign of weakening was a loss of military power and lackluster military development tied to available natural resources. While surrounding empires could forge iron from locally available ore, Egypt lacked access to those metals, and with stronger weapons, neighboring armies became more powerful than Egypt's.

Egypt's vulnerability to conquest typically resulted from periods of internal political division and instability. During its "Intermediate Periods," rival dynasties and civil unrest weakened central government control over the nation's borders, creating power vacuums that foreign powers could exploit.

The fall resulted from a combination of political instability, economic decline, foreign invasions and environmental challenges. Weak leadership following the death of Ramesses III, social unrest fueled by religious conflicts and wealth disparities, and prolonged military conflicts drained Egypt's resources.

After reaching its pinnacle during the New Kingdom, Egypt entered a period of slow decline, and over the course of its history it was invaded or conquered by a succession of foreign civilizations, including the Hyksos, the Kushites, the Assyrians, the Persians, the Greeks and the Romans.

The more honest question underneath this one

There is a real and serious argument, made by scholars in the tradition of Cheikh Anta Diop, that African civilizations, including Egypt, were partly undermined by their own cosmological emphasis on internal harmony at the expense of outward vigilance against expanding militaristic powers. That argument deserves engagement, not dismissal. But even within that framing, the mechanism isn't Maat making Egyptians refuse to fight. It is more that a culture organized around internal social order and cosmic legitimacy could be slow to develop the kind of permanent, innovation-driven military apparatus that the iron-age empires of Assyria and Persia built specifically for projection and conquest.

To later Egyptian writers of the New Kingdom, the Intermediate Periods had been eras of weakness and chaos when the underlying principle of life in Egypt, harmony or Maat, had been cast aside by foreign invaders who upset the balance of the land. The Egyptians themselves read every invasion as the destruction of Maat, not as its consequence. That is a telling detail: it means Maat was their framework for understanding loss, not the cause of it.

The real lesson running through this conversation, from the Songhai Empire's fall to Moroccan muskets to Egypt's fall to iron-age conquerors, is the same one: civilizations built on wealth, scholarship and internal order often underestimate external threats from societies organized almost entirely around military innovation. That is not a spiritual failure. It is a structural one, and it happened to Rome too.