"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>
They could not keep up economically. In other words Germany ran out of money.
This question is not answerable, because it does not contain any information for us to use,
