______________ originated in the third century when devout Christians retired to the desert

This style of architecture in the nineteenth century suited public buildings:

a. Classical b. Gothic c. Roman d. Renaissance

What innovation made the piano such a popular instrument?

a. assembly line made it cheap to produce b. since it was smaller than the harpsichord, it took up less room in middle-class parlors c. it never went out of tune d. it could play at more than one dynamic level e. anyone could play it well after a few introductory lessons