Unite the five continents.
canada
All states, societies, religions, tribes, countries and nations have symbols.
all of course
Olympic GamesThe olympic games is a event where all countries of their best players compete and win.
NATO , or the North Atlantic Treaty Organization, was created during the Cold War to unify all of the countries against communist aggression that developed after World War II.
all of the countries that were in Beijing i guess,
All of them.
150
not all countries competed but normally all contries are invited to take part
Not all symbols are used in writing, because some can be used in different languages and in different countries.
65
Athens