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 divided the tribe, which forced Sechele to leave his home for nine years. When Sechele returned, he took over one of his uncle's tribes; at that point, he met David Livingstone. Livingstone was known through a large part of Africa for treating the natives with respect, and the tribes that he visited returned his respect with faith and loyalty. He could never permanently convert the tribesmen to Christianity, however. Among other reasons, Sechele, by then the leader of the African tribe, did not like the way that Livingstone could not demand rain of his God like his rainmakers, who said