Which Sumerian invention was based on their knowledge of astronomy?

Calendar

Explanation:

Their calendar is either solar or lunar. Both the sun and the moon are in space. Therefore its calendar.

The correct answer among all the other choices is "Fourteenth Amendment." A provision of the Supreme Court ruling on the Scott v. Sandford case was later overturned by Fourteenth Amendment. Thank you for posting your question. I hope that this answer helped you. Let me know if you need more help.