The post-war avant-garde has had ____________ on the course of music during the latter part of the twentieth century

What characterized rock during the 1970s?

A. Came mostly from the U.S. B. Merged rock with a variety of musical genres C. Focused on one type of music D. Came primarily from one region in the U.S.

Which of the following would attest to the sophistication of ancient Egyptian society in 3500 BCE?

a. Tomb remains b. Written papyrus letters c. Pyramid at Saqqara d. Stele