I think it is D) to discuss important community issues. please let me know if I'm wrong.
Technically speaking, it would be "family" that represents a social group that exists in all known cultures, since families are generally crucial for the survival of the individual.
Answer
speculation in the stock market
It's a leading question, as cross-Atlantic trips carrying slaves would be European of all kinds. Though vikings usually enslaved people from the Baltic area but had slaves (thralls, in Danish; "trælle") from just about everywhere.
The Dutch and Belgians were far nastier than most nords, as at some point the Spanish and the Germans. Not to mention the old empire of the queen.
B. South Texas
due to the fact of the coastal area and the border which creates a economic Core Area