A World of Difference
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A term used to describe countries that are poor with high population growth and numerous economic and societal problems.

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

A separate and distinct unit of political authority.

A military alliance formed in 1949 between Canada, the USA and European countries as a bulwark against the Soviet Union.

Early maps first described in the 8th century and printed in the 15th, which depict a view from the northern hemisphere of the world as circular and surrounded by an ocean.

The line of longitude designated as the zero degree line.

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.

A term used to describe countries that are poor with high population growth and numerous economic and societal problems.

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.

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