Im going to say d but I'm not sure
Around the 14th century, the cities of Nanjing, Calicut, Mogadishu and Venice was significant because the major center's of trading activity flourished there.
The answer is C. Military service (-:
You can go into debt or owe money to the bank with a credit card and a debit card only allows you to spend what you put in.
HMM I NOW THAT OS EASY YOU CANT SO THAT OK I WILL TELL YOU THE ANSWER IE B