He was an ancient Egyptian king(of the early dynastic period). His accomplishments are being the first founder of the early Dynasty and first king of a unified Egypt
Narmer's identity is the subject of ongoing debates, although the dominant opinion among Egyptologists identifies Narmer with the pharaoh Menes, who is renowned in the ancient Egyptian written records as the first king, and the unifier of Ancient Egypt.
Answer: Congress can override a veto by passing the act by a two-thirds vote in both the House and the Senate. (Usually an act is passed with a simple majority.) This check prevents the President from blocking an act when significant support for it exists.
