19th-century philosophy of complexity from mathematics, astronomy, physics, chemistry, biology, and a new discipline called "sociology", which is the study of the "dynamics and statics of society". The American philosophers Charles Sanders Peirce and William James developed the pragmatist philosophy in the late 19th century. The twilight years of the 19th century in Britain saw the rise of British idealism, a revival of interest in the works of Kant and Hegel. Transcendentalism was rooted in Immanuel Kant's transcendence and German idealism, led by Ralph Waldo Emerson and Henry David Thoreau. The main belief was in an ideal spiritual state that 'transcends' the
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