Who are Afro Germans? How and why did Germany got rid of its black population?

 Afro-Germans are people of Sub-Saharan African descent who are citizens or residents of Germany

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.  The German colonial empire encompassed parts of several African countries, including parts of present-day Burundi, Rwanda, Tanzania, Namibia, Cameroon, Gabon, Congo, Central African Republic, Chad, Nigeria, Togo, Ghana, as well as northeastern New Guinea, Samoa, and numerous Micronesian islands

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The conditions for Afro-Germans in Germany grew worse during the Nazi period. Naturalized Afro-Germans lost their passports. Working conditions and travel were made extremely difficult for Afro-German musicians, variety, circus or film professionals. Based on racist propaganda, employers were unable to retain or hire Afro-German employees

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. While black people in Nazi Germany were never subject to an organized mass extermination program, as in the cases of Jews, homosexuals, Romani, and Slavs, they were still considered by the Nazis to be an inferior race and along with Romani people were subject to the Nuremberg Laws under a supplementary decree. 

They were banned from having relationships with white people, excluded from education and types of employment, and some were sterilized, while others were taken to concentration camps

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