Definitely The Grand Army of the Republic
Mansa Mūsā left a realm notable for its extent and riches—he built the Great Mosque at Timbuktu—but he is best remembered in the Middle East and Europe for the splendour of his pilgrimage to Mecca (1324).
The nanjing massacre was the reason for increased tension between japan and the U.S.
Answer:
B : to declare war on japan
