The answer is True.
So yes, both the ballet and opera began in Italy during the Renaissance.
Answer:Roosters keep harems, but it is by consent of their concubines; therefore no wrong is done. Men keep harems but it is by brute force, privileged by atrocious laws which the other sex were allowed no hand in making. In this matter man occupies a far lower place than the rooster
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He developed the first polio vaccine.