When did madrigalism become popular in music history

Even before world war ii had ended, it was apparent that the allies would not remain friends in the post-war era. explain what is meant by the term cold war. then describe how the conflict between the superpowers manifested itself in the two following regions: europe and asia.

The sahel is located on the edge of the sahara desert. a.north b.west c.south d.east

List three reasons why explorers began to explore new, and old areas. [[ps: doesn't explicitly say where. i think it's more in general.