How is great Zimbabwe evidence that there was world trade one thousand years ago? A. It traded with merchants from as far away as China at that time. B. It was destroyed in a trade war between Portugal and the Arabs. C. It was an important Arab trading colony at the time. D. It belonged to a global Muslim trading empire.

Option A. is correct

Explanation:

Great Zimbabwe became a center for trading mainly in gold and ivory such that it's trade network is linked to Kilwa Kisiwani and China. Therefore, Great Zimbabwe evidence that there was world trade one thousand years ago as it traded with merchants from as far away as China at that time. Option A. is correct

the us constitution is a living document, meaning that it can be changed over time as the country changes.

answer; andrew jackson approved nullification by signing it into law,and john calhoun opposed it saying it was unconstitutional;