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 Kazeh was started with 152 porters; both men had to return as their military leaves were coming to and end although Jeal contends that they could have extended the trip by asking for an extension as their clear mission statement of the Royal Geographical Society (RGS) was to find the source of the Nile. The expedition had lost a great many people through desertions, disease and hostilities but in Kazeh, on the return journey, Mabruki had recruited local porters. Again Speke and Burton suffered from severe illnesses and had to be carried in a litter (machilla) by the porters some