Margery Kempe is a controversial woman because of her lack of education and her mystic and spiritual belief of endeavors. She was the daughter of a respected merchant and public official. ... Her Autobiography, The Book of Margery Kempe has great significance because it is the earliest known autobiography in English.
Ibn Baṭṭūṭah was a medieval Muslim traveler who wrote one of the world's most famous travel logs, the Riḥlah. This great work describes the people, places, and cultures he encountered in his journeys along some 75,000 miles (120,000 km) across and beyond the Islamic world.
So basically bud they declared war because Germany had sunk the Lusitania and was therefore trying to abandon the policy against unrestricted submarine warfare
