The World History Environment and Periodization h 55
Oceans and Seas
The history of the world did not occur in land areas alone; the oceans and seas also have
their own stories to tell. Vast migrations of both ancient and modern peoples took place
across the waterways of the world; plants, animals, and diseases were exchanged; and com-
petition arose among explorers seeking new lands and merchants pursuing profi ts. A few
points to understand when studying the oceans are:
- The Arctic Ocean, the smallest of the world’s oceans, is packed in ice throughout most of
the year. Extremely diffi cult to navigate, it is the location of the famed northwest passage
sought by early European explorers. The passage is barely usable because of its ice-bound
condition. - The Indian Ocean, the third largest of the oceans, has seen extensive trade since the
people of the Harappan civilization sailed through one of its seas, the Arabian Sea, to
trade with Sumer. Throughout history the Indian Ocean has seen Malay sailors and
Chinese, Muslim, and European traders use the ocean’s monsoon winds to guide their
expeditions through its waters. Africa also was drawn into this trade. Often times, com-
mercial activity in the Indian Ocean produced intense rivalries, especially among the
Dutch, Portuguese, and Muslim sailors in the seventeenth century. - The Atlantic Ocean became the scene of exchange between the Eastern and Western hemi-
spheres after the voyages of Columbus produced an encounter among European, African,
and American peoples. The Caribbean Sea saw the meeting of the three cultures on the
sugarplantations of the sixteenth through the eighteenth centuries. The Medi terranean Sea,
joined to the Atlantic Ocean, saw the glories of early Middle Eastern and Greco-Roman
civilizations.Northern European societies traded in the waters of the North Sea and the
Baltic Sea. - The Pacifi c Ocean, the world’s largest, is dotted with islands that witnessed the ancient
voyages of the Polynesian peoples of Oceania. The Bering Sea was the route of the earli-
est inhabitants of the Americas into those continents. Societies of East and Southeast
Asia communicated with one another by means of the Sea of Japan and the South China
and East China seas. The Manila galleons of the sixteenth through the nineteenth cen-
turies joined Latin America, the Philippine Islands, and China in trade. World wars saw
the use of Pacifi c islands for strategic purposes.
The chart below illustrates some of the political units and physical features of various world
regions.
REGION
EXAMPLES OF
MODERN COUNTRIES MAJOR RIVERS
MAJOR LANDFORMS
CLIMATE
East Asia China, Japan, North
Korea, South Korea
Ya lu R iver, Huang
He River, Chang
Jiang River
Mount Fuji, Gobi Desert,
Tibetan Plateau
Southeast Asia Vietnam, Thailand, Laos,
Indonesia, Malaysia
Mekong River, Irawaddy
River
Ring of Fire
South Asia India, Pakistan, Nepal,
Bhutan, Bangladesh
Ganges River, Indus
River, Brahmaputra
River
Himalayas, Hindu
Kush, Khyber Pass, monsoons
continued
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