Pls hurry I’m being timed

I'm working on an assignment that has to do with digital art and this is my masterpiece that i've worked on. i was wondering if anyone knew any websites that i could possibly sell my digital artwork? i'd be very appreciated and will gladly mark the right website that does sell digital art as well brainliest! you!

Sacred cantatas were performed in churches. secular cantatas were originally performed in a. schools. b. theaters. c. people's homes. d. church basements.

In a paragraph of no less than 125 words, explain the single most important factor involved in advancing american classical music in the twentieth century.