The Fourth Crusade (1202–1204) was a Latin Christian armed expedition called by Pope Innocent III. The stated intent of the expedition was to recapture the Muslim-controlled city of Jerusalem, by first conquering the powerful Egyptian Ayyubid Sultanate, the strongest Muslim state of the time.
There was a lack of support for rebellions to gain independence.
This wasn’t much but I hope it helps some
They began to kidnap people from the west coast of Africa.The Spanish took the first African captives to the Americas from Europe as early as 1503, and by 1518 the first captives were shipped directly from Africa to America. The majority of African captives were exported from the coast of West Africa, some 3,000 miles between what is now Senegal and Angola, and mostly from the modern Benin, Nigeria and Cameroon.