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.
The Berlin Conference of 1884â85, also known as the Congo Conference (German: Kongokonferenz) or West Africa Conference (Westafrika-Konferenz), regulated European colonization and trade in Africa during the New Imperialism period, and coincided with Germany's sudden emergence as an imperial power.efore the conference, European diplomacy treated African indigenous people in the same manner as the New World natives, forming trading relationships with the indigenous chiefs.