The collapse of the Soviet Union and the end of the Cold War contributed the most to increasing international trade for eastern and Western Europe in the 1990's.
No. It would be the western boundary.East longitude is measured starting from the Prime Meridian and increasing eastward.It reaches the maximum of 180° east in the vicinity of the International Date Line.
it is one day before the day on the eastern side
The Prime Meridian divides the Earth into the Eastern Hemisphere and the Western Hemisphere, while the International Date Line divides the Earth into the Eastern Hemisphere and the Western Hemisphere as well.
International dateline
International dateline
The International Date Line and the Prime Meridian both separate the eastern from the western hemisphere.
The eastern as the prime meidian is to the west and the international dateline is to the east.
Eastern and Western
it is one day before the day on the eastern side
The eastern and western ones are.
The early 1990s saw the fall of communism in Europe. This made Western and Eastern relations stronger and trade dramatically increased.
The Prime Meridian at 0 degrees longitude divides the Earth into the Eastern and Western Hemispheres. Locations to the east of the Prime Meridian are in the Eastern Hemisphere, while those to the west are in the Western Hemisphere.