literally every country
Neither. The size hasn't changed since the 1800's for the main part of the country. Since 1989 they have lost the satellite countries, but they were the buffer zones between the west and themselves.
the Warsaw pact countries
Which state was not a buffer zones between the North and the South
Yes, every country in the whole world uses time zones. But some countries are in only one time zone, like Greece
West Virginia
Time Zones within a country, and the International Date Line between countries.
They wanted large buffer zones to use in time of war to prevent invaders from actually reaching their home territory.
The buffer zone caused conflict in War World 2 because not keeping control of Europe. This caused a huge conflict.
Temperate zones are either of the two intermediate latitude zones of the earth. Some countries on the temperate zones are Australia, France, the USA, China and New Zealand.
Time Zones within a country, and the International Date Line between countries.
Study Island answer: to prevent soil erosion