A) they were too weakened to fight against fresh British forces
Emmanuel-Joseph Sieyès, (born May 3, 1748, Fréjus, France—died June 20, 1836, Paris), churchman and constitutional theorist whose concept of popular sovereignty guided the National Assembly in its struggle against the monarchy and nobility during the opening months of the French Revolution.
They needed the nile river for food purposes like fish. and to plant their crops.they also needed the nile as a water source. hope this hlps