Flat, two-dimensional maps can look different because the world is actually curved. This means map-makers need to make compromises when drawing maps. These different map representations are called ...

They have to compromise. Map makers use map projections to transform the Earth onto a flat surface. One of the most popular world map projections is known as the Mercator Projection. You’ll have ...

World War I involved 32 nations from 1914 to 1919. It redrew the world map and reshaped many borders in Europe. The collapse of the Russian Empire created Poland, the Baltics, and Finland.