Definition of calcium channel blocker. : any of a class of drugs (such as verapamil) that prevent or slow the influx of calcium ions into smooth muscle cells and are used especially to treat some forms of angina pectoris and some cardiac arrhythmias.
Most of Germany's colonies were occupied by its enemies in the first weeks of World War I, German South-West Africa surrendered in 1915, Kamerun in 1916 and German East Africa only in 1918 by end of the war.Germany's colonial empire was officially confiscated with the Treaty of Versailles after her defeat in the war.erman South West Africa was taken under mandate by the Union of South Africa. In the Pacific, Japan gained Germany's islands north of the equator (the Marshall Islands, the Carolines, the Marianas, the Palau Islands) and Kiautschou in China.
Rivalry between Great Britain and France led Bismarck to intervene, and in late 1884 he called a meeting of European powers in Berlin. In the subsequent meetings, Great Britain, France, Germany, Portugal, and King Leopold II negotiated their claims to African territory, which were then formalized and mapped.lizabeth Heath. The Berlin Conference of 1884â1885 marked the climax of the European competition for territory in Africa, a process commonly known as the Scramble for Africa.