I am not 100% sure but I know it is not B. because I did the test myself but, he was a Southern Democrat so I personally would pick D. because that is the only one that seems fathomable.
The transatlantic slave trade began during the 15th century when Portugal, and subsequently other European kingdoms, were finally able to expand overseas and reach Africa. The Portuguese first began to kidnap people from the west coast of Africa and to take those they enslaved back to Europe.
Poland, Austria-Hungary, and Czechoslovakia.
Four African Americans Served in U.S. Congress in 1959; Now There Are Many More
Afghanistan became an independent state when Amanullah established an alliance and signed a treaty of friendship with the Soviet Union. Hope this helps if you have any questions please feel free to message me;)