The United Nations Organization (UN).
all of them
All the west countries and Part of East and Russia
not all countries competed but normally all contries are invited to take part
They were all part of the British Empire
Not all All Eastern European Countries were part of the Soviet Union (USSR) of them. The following European countries were part of the USSR before its disintegration in 1992: Russia, Estonia, Latvia, Lithuania, Belarus, Ukraine, Moldova. Plus the three Caucasus countries which are sometimes considered part of Europe: Armenia, Georgia, Azerbaijan.
As all countries from the world can take part in it.
England, Scotland, Wales and Northern Ireland are the only European countries which are part of the United Kingdom. All other European countries are independent sovereign states.
Yes, seeing as 200 countries take part in the Olympics, all countries in Europe take part and Lithuania is in Europe. Also it took part every previous year.
No, not all (for example: North Korea and Zimbabwe)
no, the US is part of the united nations The United Nations is a body of countries which has several branches to it. So the US is one of the countries which is a member of the United Nations
None. All African countries are now fully independent, although some are still part of the Commonwealth of Nations which is a loose association of countries that were originally part of the British Empire.
13 countries took part in the first olympic games