It would be the preservation and the dominance of Christianity in the region. Also it paved way to a creation of a powerful Catholic nations that will play a significant role in the history especially in the Age of Exploration and Colonization. Also it saved face of Christianity after the fall of Constantinople into Muslim hands.
Ancient Egyptian tradition credited Menes, now believed to be the same as Narmer, as the king who united Upper and Lower Egypt.
They moved into Alaska during an Ice Age when there was ice from Eastern Asia and they walked to Alaska