The 'Call to action" statement is where you engage your reader it should inspire, educate, and it should be able to win over the reader to your "Cause".
Answer:
The question is asking what don't you like About this book
Explanation:
What dont you like about this book explane why you dont like that part
Either, Meroe became very involved in nation trade, or, traders from other lands traveled the Nile to exhchange goods.