The correct answer is Rhapta. The area of Rhapta was historically famous for being a trading port for people of all nations and it was located in Southeast Africa. It was first described in the 1st century AD. There's even evidence that Romans traded there as well.
"A. Anticommunist laws were passed" and "<span>D. Some government workers were forced to take loyalty oaths" are true. There was large-scale surveillance done of people suspected </span>of being Soviets.