Pashtun would be your answer hope this helps
A. Piedmont but I’m not sure so wait for someone else to answer
Answer:
Maritime trade is when you trade by sea and boat. They had ports that people sailed in and out of. The other civilizations used these ports as well, in the Afro Eurasian zone. The concept of having ports has carried into the modern age as well.
Explanation:
I think the answer to your question you ask is the letter b. the second to last.