Which of the following was a major reason for the flow of the transatlantic slave trade shown on the map?

This is what i found on google “the first mobile phone call was made 40 years ago today. on april 3, 1973, motorola employee martin cooper stood in midtown manhattan and placed a call to the headquarters of bell labs in new jersey.” i hope this you for what your looking.

North korea has been ruled by dictator since 1948