Which statement, when comparing the population densities of the Iberian peninsula (Spain and Portugal) and the Italian peninsula on the map, is true?

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 did american entry into world war i affect the allied powers?

Who was in charge of american troops during world war i?