"The great rule of conduct for us, in regard to foreign Nations is in extending our commercial relations to have with them as li
ttle political connection as possible. So far as we have already formed engagements let them be fulfilled, with perfect good faith. Here let us stop." Which of the following is the source of this statement on foreign policy?
Charlemagne's friend knew him directly therefore the biography written by his friend would be an example of a primary source being that the author directly experienced him.
