no
no same rules in all countries
the four balls are the snitch, Quaffle, and two bludgers
That would depend on where you are from. Different countries have different rules and arrangements with other countries.
Different countries consider different things to be a crime because laws are different in varied countries. Also, the rules and taboos that govern the movements of society can be different in different countries.
Different countries have different rules. So which country you are talking about?
Rules vary from state to state but in this case it is perfectly legal. So along as the players feet are in bounds. In highschool football its normally if one foot is in bounds and the other is not out of bounds and the player has control of the ball then its a catch
In American Football, if a player has one foot out of bounds when he catches the football, he is out of bounds. If he has is in bounds when he catches the football then he caught it and it is a completed catch. If the player goes out of bounds and comes back in bounds and catches the football it is still an incomplete pass. However, if he was knocked out of bounds or if the ball was tipped, it may be a completed pass. The rules keep changing at all levels of the game.
Yes they are I and making a page on it
Both countries have different rules and therefore there might be some similarities but the rules are fairly different.
It's probably a cultural thing.
There are different rules about this for different Competitions and in different Countries and States.
Here in Australia it is perfectly OK to breed and sell them. Different countries may have different rules.