Osman I was the Muslim ruler who is remembered for founding and being the first leader of the Ottoman Empire. Therefore, he is known for rising from birth among tribal nomads to ruling an empire that eventually spanned three continents (B).
The answer is B hope it helps.
Osman I is known for founding the Ottoman Empire around 1299 and rising from a tribal nomad background to ruling an expansive empire. His leadership set the foundation for future conquests and the eventual spread of the empire across three continents. The chosen answer is B.
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