Imperial rivals fought over the Nile Valley. [fact]
Ismä`ïl's efforts to expand Egyptian authority beyond the source of the Nile into East Africa coincided with the close attention that British abolitionists were pay- ing to the trade in African slaves. Imperialism, nationalism, and abolitionism found yet another location to fight for: the Nile Valley.
Eve M. Troutt Powell, A Different Shade of Coloni…, loc. 651