Contents
UNIT 1 The World
UNIT 2 The United States and Canada
UNIT 3 Latin America
UNIT 4 Europe
UNIT 5 Russia
UNIT 6 North Africa, Southwest Asia, and Central Asia.
UNIT 7 Africa South of the Sahara
UNIT 8 South Asia
UNIT 9 East Asia and Southeast Asia
UNIT 10 Australia, Oceania, and Antarctica
