When did pope leo iii crown charlemagne as "emperor of the romans" in rome?
a. 476 ce b. 800 ce c. 732 ce d.988 ce

lee and grant, both of whom held the highest rank in their respective armies, had known each other slightly during the mexican-american war (1846-48) and began their dialogue by exchanging awkward personal inquiries. characteristically, grant had arrived in his mud-splattered field uniform while lee had turned out in full dress attire, complete with sash and sword.

explanation:

the correct answer is a