Indian Small Kingdoms
Between about 100 BC, when the Mauryan Empire collapsed, and 319 AD, when the Guptan Empire was founded, India was split up into a lot of small kingdoms. These small kingdoms were weak and so they were often invaded by stronger neighbors. The Greeks came back in 150 BC and conquered the Indus Valley again, but they didn't stay for long. The Chinese, under the strong Han Dynasty, invaded frequently. And the Parthians and Sassanians sometimes attacked as well.

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Buddhism was very strong in India at this time.




