Atlantic Ocean
major chokepoints include the Dardanelles, Strait of
Gibraltar, access to the Panama and Suez Canals; strategic straits
include the Strait of Dover, Straits of Florida, Mona Passage, The
Sound (Oresund), and Windward Passage; the Equator divides the
Atlantic Ocean into the North Atlantic Ocean and South Atlantic Ocean

Australia
world's smallest continent but sixth-largest country;
population concentrated along the eastern and southeastern coasts;
regular, tropical, invigorating, sea breeze known as "the Doctor"
occurs along the west coast in the summer

Austria
landlocked; strategic location at the crossroads of central
Europe with many easily traversable Alpine passes and valleys; major
river is the Danube; population is concentrated on eastern lowlands
because of steep slopes, poor soils, and low temperatures elsewhere

Azerbaijan
both the main area of the country and the Naxcivan
exclave are landlocked

Bahamas, The
strategic location adjacent to US and Cuba; extensive
island chain of which 30 are inhabited

Bahrain
close to primary Middle Eastern petroleum sources; strategic
location in Persian Gulf, which much of Western world's petroleum
must transit to reach open ocean

Baker Island
treeless, sparse, and scattered vegetation consisting
of grasses, prostrate vines, and low growing shrubs; primarily a
nesting, roosting, and foraging habitat for seabirds, shorebirds,
and marine wildlife

Bangladesh
most of the country is situated on deltas of large rivers
flowing from the Himalayas: the Ganges unites with the Jamuna (main
channel of the Brahmaputra) and later joins the Meghna to eventually
empty into the Bay of Bengal

Barbados
easternmost Caribbean island

Bassas da India
the islands emerge from a circular reef that sits
atop a long-extinct, submerged volcano