Question: Amazing Grace is a 2006 British-American biographical drama film directed by Michael Apted, about the campaign against slave trade in the British Empire, which term means the history of slavery spans many cultures, nationalities, and religions from ancient times to the present day?
Sentence (from "History of slavery"): However the social, economic, and legal positions of slaves were vastly different in different systems of slavery in different times and places.
Relevant evidence: No