Annexations of suburban territory in 1888 and 1890 greatly increased the area of the city.
The year 1810 saw the crown set to that edifice by the annexations of Holland and of the north-west coast of Germany.
While Berlin and Budapest have made the most rapid progress of all European cities, having multiplied their population by nine in the period 1800-90, Vienna - even including the extensive annexations of 1892 - only increased sevenfold.
The annexations of Emin on Albert Nyanza, the visit of Thomson to the closed door of Busoga, the opposition of the Europeans to the slave trade, and, lastly, the identification of the missionaries with political embassies and their letters of introduction from secular authorities, added to Mwanga's.
Two causes coincided to produce the step. On the one hand a forward policy then ruled at Rome, leading to annexations in various lands.