Something no one knows about the treaty of guadalupe hidalgo

Which is the following statements best describes how urban commuting changed in the late 1800s

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 the atomic bomb end the war