European exploration of Africa 1840s, so that around the midpoint of the 19th century and the beginning of the colonial Scramble for Africa, the unexplored parts were now limited to what would turn out to be the Congo Basin and the African Great Lakes. This "Heart of Africa" remained one of the last remaining "blank spots" on world maps of the later 19th century (alongside the Arctic, Antarctic and the interior of the Amazon basin). It was left for 19th-century European explorers, including those searching for the famed sources of the Nile, notably John Hanning Speke, Sir Richard Burton, David Livingstone and Henry Morton
David Livingstone chiefs and tribes, such as the Lozi, and the Lunda of Mwata Kazembe. The qualities and approaches which gave Livingstone an advantage as an explorer were that he usually travelled light, and he had an ability to reassure chiefs that he was not a threat. Other expeditions had dozens of soldiers armed with rifles and scores of hired porters carrying supplies, and were seen as military incursions or were mistaken for slave-raiding parties. Livingstone, on the other hand, travelled on most of his journeys with a few servants and porters, bartering for supplies along the way, with a couple of