Football is commonly termed "American Football" in other countries. Most countries refer to football as soccer. American Football thus clarifies which sport they are actually talking about.
They do play American Football in Ireland.
If it is American football it is Canada.
because by the time you are in the NFL you are fully grown and you are bigger than when you where in high school.
yes. the players wear jerseys. most schools sell shirts so people can show their support
If you're referring to football as commonly referred to as Soccer in some countries, yes. If you mean American football, no.
American football is mainly only played in the US, but is somewhat popular in other North American countries. Canada has adopted American football, but gave it a twist which is why it is known as Canadian football. The reason why American football isn't more widespread is that it simply just hasn't caught the attention of other countries, and isn't popular. The most popular sports in the world are football (soccer) and cricket, which were both made popular by the United Kingdom due to their vast empire.
The United States plays both American style football and soccer.
South American countries Brazil and Argentina love football the most.
it depends what football your talking about but American football is played in America however a similar game in Europe is rugby
I know Canada has an American football league but i don't know about any other country