What did kangxi and qianlong contribute to Chinese history?

The flowering of the arts that had occurred under the Kangxi and Yongzheng emperors continued with Qianlong. Architecture, painting, porcelain, and particularly jade and ivory work flourished with a final brilliance, for later Chinese artisans produced only for export. Like his grandfather, Qianlong protected artists.

Explanation:

zoom in on the bill of rights. the other side was just as divided: some antifederalists opposed the constitution only because it lacked a bill of rights, and others opposed it on other grounds and merely used the bill of rights as an excuse to campaign against it.

c. the dred scott v. sandford case,