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How was slavery in mesoamerica, africa, and the arab world similar? many enslaved people were forced to pledge loyalty to their owners. many enslaved people worked in exchange for protection from foreigners. many enslaved people were captured during war. many enslaved people taught and tutored children.

From 1990 to 2008, by what percent did the world’s most developed economies cut their greenhouse gas emissions?

Why was the agricultural revolution more successful in england than in the rest of europe?