Europe
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Small shallow lakes formed by retreating glaciers.

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

A realist idealistic art style imposed by central authorities in the USSR from 1932 to 1988.

A type of economic system that is not controlled by a central authority but rather left to the free and open collaboration and decisions of the participants in the market.

An forested area in the tropics marked by substantial rainfall.

The period between ice ages.

Glacial deposits of rock and sediment.

A long ridge of sand and gravel deposited by glacier meltwater.

A volcanic crater caused by the destruction of the cone during violent explosions.

A chain of volcanic island formed by plate tectonic activity in the Aegean Sea.

A crisis in Greece after the 2007/08 financial meltdown caused by too much government debt.

The current geological period in which human activity is deemed responsible for the profound and fundamental restructuring of the environment.

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