Country blues developed out of the migration of workers from the south to the cities of the north, and was usually played by small groups of musicians performing together.

In a(n) ________ support system in a medieval church, alternating structural elements (such as pillars and columns) are repeated down the length of the nave

a. upward b. inward c. crossing square d. buttress e. alternate

Indian artist Subodh Gupta's Silk Route is composed entirely of __________

a. kitchen utensils b. computer hardware c. electric appliances d. junk e. automotive mufflers