Answer:
1. The earliest game that resembled association football in history is the Chinese game, Cuji.
2. Early alternatives to association football balls include animal skins, skulls, pig bladders, and more.
The oldest professional football club in the world still in existence today is Sheffield FC
Explanation:
hope this helps:)
So, a possessive noun is usually used to indicate who or what has something, like "The Dogs' ball."
To change this form of children,plural, to a possessive noun, you will want to add an apostrophe, and then an s. It changes to this:
Children's