Why was Brazil one of the last nations to abolish slavery

Brazil was the last country in the Western world to abolish slavery. By the time it was abolished, on May 13, 1888, an estimated four million slaves had been imported/taken from Africa to Brazil, 40% of the total number of slaves brought to the Americas.

can you attach the graph and answer options (:

hello,

what started the norman conquest?

profound political, administrative, and social changes in the british isles. last line of my information: )