I. The conflicts erupted between the religious groups such as the CMS (the church missionary society) the Bangereza or British participants. The white fathers (French Roman Catholics) or Bafaranca and Swahili traders (coastal Arabs and Kiswahili traders) who were being supported by the Kabaka and the traditionalists. The CMS entered in Buganda in 1877.
The white fathers in 1879 both needed to spread Protestantism or Catholicism in Buganda. But they were opposed by the Muslims Arabs who had warned the Kabaka about the dangers of European missionaries, to respond Kabaka executed three believers of the CMS in 1885 including Bishop Hunnington.
II. In 1886 the government of the Kabaka killed about 30 converts at the court after refusing to drop their Christian faith as a result the CMS appealed to the British and white
fathers to the French government to penetrate and protect them hence the scramble for Africa.
III. An attempt to establish a Belgium empire from the coast of East Africa to the Congo basin from 1876 to 1889 by sending expeditions threatened the British and the Germans who were already in East Africa. In 1876 king Leopard formed the international Africa association trade, established Christianity civilization and control trade in the Congo region. Britain and Germany immediately pushed for East Africa to avoid it from falling under the control of king Leopold II of Belgium.
IV. The need for raw materials and markets by Germany and Britain made them scramble for colonies in East Africa. Both Germany and Britain were industrialized countries demanding for raw materials, markets, areas for investments and cheap labour of which could be obtained in Africa hence the struggle to scramble for.
V. Trade. Both powers needed to occupy Zanzibar and large parts of the interior for trading interests. Among the commercial companies were such as the Germany with the company and the British East African association of 1887 these companies competed with each other.
VI. British rule over Zanzibar began in 1890, while in Uganda and Kenya was in 1894 and was then refered as British East Africa).
VII. Germany took Tanganyika including Dar es Salaam and bought the Coastal 10 strips from Zanzibar.
VIII. Dar-es-Salaam and Mombasa became important main ports and were linked with railway to the interior.
IX. Two agreements (Anglo German of 1886 & 1890) eliminated in the prelude to colonialism.