Because of the way they're cut, not the way they're cooked or their supposed origin. "Frenching" can have two meanings. The appropriate one here is "to cut into long thin strips".
I believe it is England.
Belgium. The way they are cut is the french way, so they are called french fries in America. in France they are just called frites, or fries.
They are called French fries because "to french something" is to cut it into thin slices. The French themselves don't call their fries "French".
They are called french fries because of the way they are cut and the way they are cooked. In cooking, a long thin cut is called a french cut, and then of course they are fried, so you get french fries. I wouldn't be surprised to find out they were once called french cut fried potatoes and it just got shortened along the way.
The origin of the French fries is disputed between France and the Southern, French-speaking part of Belgium. They are popular in both countries (and many others). In France they are simply called "frites", meaning fries. There is no mention of fries being specifically French.
Pomme Frites
"French fries" is an Americanism, and no one knows who first used the term. In Britain they are called chips. What the British call crisps are called potato chips by the Americans. The French call French fries pommes de frits, i.e. fried potatoes.
French fries!
French fries french fries french fries
French fries are called 'frites' in French (no mention of them being 'French')
French fries (American Term) are called chips in the UK. If you ask for chips in the US you will get what the British refer to as crisps.
Yes, cold french fries are regular french fries which have cooled.