Which influential French artist was active in Paris as well as a central figure in New York Dada?

The __________ began when Martin Luther nailed the 95 Theses to a church door in Germany

Fill in the blank(s) with correct word

Possibly inspiring the name of the style, _____ were a principal motif in Rococo interior decoration

A) ?geometric designs B) ?Islamic patterns C) ?narratives D) ?shells