The powerful king that united ancient egypt is : Narmer.
Before the reign of narmer, Egypt was divided into lower part and upper part Kingdom. Narmer managed to unified these two kingdoms and became the first king who rule the united ancient egypt
hope this helps
Shows a relationship that does not always indicate cause and effect ,
<span>Napoleon Bonaparte was the person later on, but it was CAUSED by political issues, if that solves your question.</span>