Answer:
1:
The four factors judges consider are:
The purpose and character of your use
The nature of the copyrighted work
The amount and substantiality of the portion taken, and
The effect of the use upon the potential market.
2:
Originality,
Creativity,
Fixation
3:
A copyright is a type of intellectual property that gives its owner the exclusive right to copy and distribute a creative work, usually for a limited time. The creative work may be in a literary, artistic, educational, or musical form