John Hanning Speke arrange a better relationship for Mere with another man, without success it seems. Finally, given permission by Mutesa in June 1862 to leave, Speke then travelled down the Nile now reunited with Grant. Because of travel restrictions placed by the local chieftains, slave raiding parties, tribal wars and the difficulty of the terrain, Speke was not able to map the entire flow of the Nile from Lake Victoria north. Why he did not make more efforts to do so is not clear, but the enormous hardships of the journey must have played a large role. By January 1863 Speke and
John Hanning Speke the beginning, the relationship of Speke and Burton was one of opposites; Burton considered Speke inferior linguistically and a less experienced traveler in remote regions (which was partially true) but Burton himself appears to have been jealous and far less able to relate to the safari caravan to keep the expedition motivated and moving (a vital factor as they were completely dependent on their safari crew). While Speke enjoyed hunting and thus provided the caravan with meat, Burton was not much interested in such pursuits. Burton was appointed the head of the expedition and considered Speke the second in command,