Lots of people moved to cities to find work at factories and industrial plants.
Serfs, clergy, knights, artisans, nobles,monarchs
Answer:
the black death was a widespread disease which was also very lethal and killed many humans and because so many people had it they speard it to other people very quickly
Hitler introduced many policies and measures to ensure the Nazis remained in control, once he declared himself Führer. These measures dealt with political opponents, as well as ordinary people, who suddenly found their private, social and working lives controlled by the Nazis.
Answer: 1920- Hair Dryer
1920- First radio station
1920- The Thompson Sub-Machine Gun
1920- The Band Aid
1921- First robot built
1923- Traffic Signal
1925- Mechanical Television
1926- Liquid Fueled Rockets
1928- Penicillin
1929- Car radio
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Explanation: