Why were slaves forced to change their names

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.

How does the battle of midway illustrate the importance of intelligence gathering and espionage in modern warfare?

Why would the rumor of a government contract change the value of this companys stock