C I’m not 100% sure though I could be wrong
Well, it is like the Biblical story about the Tower of Babylon - in the beginning, there was only one language and all the people in the world spoke it. However, because of many disputes and quarrels, they all separated and created numerous new languages. The same thing happened in the real world (if you don't believe in what the Bible says) - there used to be Proto-Indo-European language, but over time, it developed many new languages as people grew apart and created new nations.
Answer:
Taking these actions might have helped Egypt protect its independence:
- sending scholars to neighboring empires to bring back knowledge about skills such as advanced weaponry, horse breeding, and chariot-building
- sending spies into the neighboring empires to learn about their invasion or expansion plans
- uniting with Nubian's and Libyans to defend the Nile civilization building walls and forts around the cities building a huge and well-trained army
- rewarding inventions and advancement in weapons and other defense equipment
- appointing pharaohs and high-ranking officials based on merit and talent rather than family bloodlines
don't copy and paste just place these in your words :)