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OpenStudy (anonymous):

What did the ancient Indus Valley, Huang, and Nile civilizations have in common? They built pyramids to reach the gods. They elected leaders using potsherds. They developed and used gunpowder. They began in fertile river valleys.

OpenStudy (secret-ninja):

I would go for D.

OpenStudy (anonymous):

:3 thanks Ninja

OpenStudy (secret-ninja):

your very welcome :]

OpenStudy (anonymous):

are you positive? xD

OpenStudy (secret-ninja):

Just what I think it is. XD lol

OpenStudy (anonymous):

ok

OpenStudy (anonymous):

yeah D makes sense

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