What is one reason historians often interpret historical events in different ways?

The ancient greek city-state of sparta was run as an oilgarchy, meaning

Which of these resulted in an actual slow down or limiting of the u. s. and soviet nuclear arsenals?

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.