The United States constitution corrected a weakness of the article of confederation by

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.

Which would make the best heading for this list of notes about the migration of african-americans during the reconstruction era?

What effect did the agricultural revolution have on farmers?