rvon, Lomotil).
Opium is the milky exudate of the incised, unripe seedpod of the opium
poppy. Opium poppy (Papaver somniferum) 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.
Quaaludes is the North American slang term for methaqualone, a
pharmaceutical depressant.
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 involving borders or frontiers may also be included, 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 land area that is
artificially supplied with water.

Land use: 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 - 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 functions 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 sta