History of Africa the early part of the 19th century was undergoing its Industrial Revolution. Nationalist rivalries and prestige were at play. Acquiring African colonies would show rivals that a nation was powerful and significant. These factors culminated in the Scramble for Africa. Knowledge of Africa increased. Numerous European explorers began to explore the continent. Mungo Park traversed the Niger River. James Bruce travelled through Ethiopia and located the source of the Blue Nile. Richard Francis Burton was the first European at Lake Tanganyika. Samuel White Baker explored the Upper Nile. John Hanning Speke located a source of the Nile at Lake Victoria.
John Hanning Speke Grant reached Gondokoro in Southern Sudan, where he met Samuel Baker and his "wife". (Her name was Florence von Sass and she had been rescued by Baker from a slave market in Vidin during a hunting trip in Bulgaria.) Speke had expected to meet John Petherick and his wife Katherine at Gondokoro, as they had been sent by the RGS south along the Nile to meet Speke and Grant. However the Pethericks were not there but on a side expedition to trade ivory, as they had run out of funds for their expedition. This caused some hard feelings between Pethrick