Anyone know what number 11 and 12 are?

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.

What is the best economic system socialism or capitalism

The almoravids came to rule parts of the sahara, morocco, algeria. they repudiated what they considered to be the architectural artistry and of the ta'ifa kings. a. decadence b. formalism c. severity d. simplicity