A World of Difference
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A grouping of the richest 35 counties of the world in North America, Western Europe, East Asia and South America.

A political belief system in which a socialist economic system is implemented to allow the state to maintain control over the means of production and to provide for the people according to their perceived needs.

A term replacing the previously used 'developed' designation for countries, named because of the location of most developed countries, which sits above the 30 degrees North latitude line.

Occurs when birth rates fall to a point that requires less investment in the very young, but before more investment is required on the elderly, and results in the relative and absolute increase of younger, more productive workers.

A global change in mortality and fertility that occurred around 1800, but also refers to the four phases of transition.

An acronym for Brazil, Russia, India, China and (sometimes) South Africa that are grouped together due to the fact that they are all large countries with developing economies.

A term used more frequently since the end of the Cold War referring to countries that have since industrialized and matured into First World countries.

A form of hostility between countries that is marked by threat, military posturing, and other acts short of actual warfare. Also a name given to the USA- USSR conflict between 1945 and 1989.

A line that runs from the North Pole to the South Pole that designates the point at which one calendar day turns to the next.

A term for the unplanned, often illegal, informal housing in cities that arise due to the inability of formal markets and public authorities to provide enough affordable and accessible housing. Slums are also referred to as "shantytowns," "informal housing," and "squatter housing."

A separate and distinct unit of political authority.

A term popularly used during or before the Cold War, for describing communist countries.

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