"It was divided among his grandsons and was weakened by internal power struggles" is the one among the following choices given in the question that describes the happening <span>to Charlemagne's empire after his death. The correct option among all the options that are given in the question is the fourth option or option "d".</span>
Answer: What was the strategy behind the development of the Hunley submarine? It was developed as payback for the blockade on the South, and used to lead a. surprise attack on port cities in the North.
Explanation:
