In a feudal system, a vassal, akin to a serf in most contexts, in general worked land on a lord's fiefdom in exchange for some of the produce from the land and some military protection.
Answer:
Black students were forced to attend separate schools from white students until
the Supreme Court’s 1954 decision.
Ghettos in Germany first were areas to contain Jews, but eventually those people also fed the concentration camps
1. The internet
2. The car
3. AI
4. The wheel
5. The Telephone
6. Pens/Pencils- we wouldn’t have many documents without it
7. Currency
8. Harnessing Electricity
9. Languages
10. School