) is the source for many natural and
semisynthetic narcotics.

Poppy straw concentrate is the alkaloid derived from the mature dried opium
poppy.

Qat (kat, khat) is a stimulant from the buds or leaves of Catha edulis that is
chewed or drunk as tea.

Stimulants are drugs that relieve mild depression, increase energy and activity,
and include cocaine (coke, snow, crack), amphetamines (Desoxyn, Dexedrine),
phenmetrazine (Preludin), methylphenidate (Ritalin), and others (Cylert,
Sanorex, Tenuate).

Infant mortality rate: The number of deaths to infants under one year old in a
given year per l,000 live births occurring in the same year.

International disputes: This category includes a wide variety of situations that
range from traditional bilateral boundary disputes to unilateral claims of one
sort or another. Information regarding disputes over international boundaries
and maritime boundaries has been reviewed by the Department of State. References
to other situations may also be included that are border or frontier relevant,
such as resource disputes, geopolitical questions, or irredentist issues.
However, inclusion does not necessarily constitute official acceptance or
recognition by the US Government.

Irrigated land: The figure refers to the number of km 2 that is artifically
supplied with water.

Land use: Human use of the land surface is categorized as arable land--land
cultivated for crops that are replanted after each harvest (wheat, maize, rice);
permanent crops--land cultivated for crops that are not replanted after each
harvest (citrus, coffee, rubber); meadows and pastures--land permanently used
for herbaceous forage crops; forest and woodland land--under dense or open
stands of trees; and other--any land type not specifically mentioned above
(urban areas, roads, desert).

Leaders: The chief of state is the titular leader of the country who represents
the state at official and ceremonial funcions but is not involved with the day-
to-day activities of the government. The head of government is the
administrative leader who manages the day-to-day activities of the government.
In the UK, the monarch is the chief of state, and the Prime Minister is the head
of government. In the US, the President is both the chief of state and the head
of government.

Life expectancy at birth: The average number of years to be lived by a group of
people all born in the same year, if mortality at each age remains constant i