World
the world is now thought to be about 4.55 billion years old,
just about one-third of the 13.7-billion-year age estimated for the
universe

Yemen
strategic location on Bab el Mandeb, the strait linking the
Red Sea and the Gulf of Aden, one of world's most active shipping
lanes

Zambia
landlocked; the Zambezi forms a natural riverine boundary
with Zimbabwe

Zimbabwe
landlocked; the Zambezi forms a natural riverine boundary
with Zambia; in full flood (February-April) the massive Victoria
Falls on the river forms the world's largest curtain of falling water

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Field Listing :: Political pressure groups and leaders

This entry includes a listing of a country's political, social,
labor, or religious organizations that are involved in politics, or
that exert political pressure, but whose leaders do not stand for
legislative election. International movements or organizations are
generally not listed.
Country

Political pressure groups and leaders

Afghanistan
other: religious groups; tribal leaders; ethnically
based groups; Taliban