Europe

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

The ideological movement by Russian leaders to promote the active creation of a single Russian empire with one religion and a single language.

A period of strong economic development that centered on Amsterdam beginning in 1578 as the Dutch broke away from Spanish control.

An area of volcanic activity. Not caused by plate tectonics but by plumes from the mantle.

A low mound of compacted earth shaped by glacial action.

Low-lying land that is drained of water and turned into productive land.

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

Eroded by glaciation, these valleys have very steep sides.

The period between ice ages.

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

A German-dominated alliance of merchant cities in the Baltic and northern Europe, especially strong from 1300 to 1500.

A wetland filled with dead plant material.

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