Free points~ better get 'em while you can

The most original genius of incan art can be seen in their? a. goldsmithing b. stonework c. architecture d. jewelry making only answer if you are 100% positive your answer is correct 10 points!

What animal should i do for my clay project? give me some good worth 20 points!

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