i think it’s interesting to note the differences in imperial policies in the ancient world - they are described in the bible and had a direct impact on jewish history

the assyrians were the closest to nazis. they deported the tribes they conquered (including the 12 lost tribes of jewish history), and broke them up into slave gangs. the result was that their slave force was ineffective as well as resentful, and they were quickly conquered by the neo-babylonians. the babylonians deported slave gangs from conquered peoples, but kept them together to make more efficient work units, allowing them to keep their culture, even if they were required to sing king david’s song in a strange land

the persians were more interested in taxes than slaves, and therefore allowed the jews of the babylonian captivity to go home

one of the reasons that the romans were the most successful of all was that they learned to put conquered people on a path to full citizenship. ultimately, in the time of the late night roman emperors, everybody in the empire was granted citizenship