Their ethnicity / culture / nationality?
Hessians was the group that was paid by the British to help fight the American Revolution. The correct option among all the options that are given in the question is the first option. Hessians were basically German mercenaries and this name has been used very commonly by the historians. I hope the answer comes to your help.
The answer is d: huge numbers of Africans died within a few years of arriving in the Americas. Many Africans who were captured were put in cramped conditions where many of them did not survive the trip. Those who did were sold and were made to work on plantations. Some slaves where whipped if they angered their masters while others died either from over worked or cruelty.