Because of the unification of the Upper and Lower Kingdoms of Egypt, the first dynasty was created.
The ruler Narmer united the Upper and Lower Kingdoms of Egypt, established the first dynasty of a united Egypt and established the capital in Memphis.
The unification allowed for the start of one of the greatest ancient kingdoms and led to great wealth for the pharaohs who could now control trade in more parts of the Nile.
Therefore, the Option B is correct
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