Answer: However, Indians made significant advances in architecture (Taj Mahal), mathematics (the invention of zero) and medicine (Ayurveda). Today, India is a very diverse country, with more than 1.2 billion people, according to the CIA World Factbook, making it the second most populous nation after China
Explanation: Hope this helps
It was the most powerful civilization
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if I'm not mistaking I remember it being state?
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no it just freed slaves african americans where still held down by society