How successful were the crusades?​

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.

In the early 1900s, the national association for the advancement of colored people strongly urged the federal government to a) punish lynch mobs. b) overturn jim crow laws. c) limit integration. d) limit activist organizations.

How does the existence of a site like catus hill demonstrate the challenge that archaeologist face when making theories?