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.
Brief History of colonization: In the 17th century AD, European countries scrambled for and partitioned Africa. This continued until around 1905, by which time all the lands and resources of the continent of Africa had been completely divided and colonized by European countries.