"mankind was my business"
Third person plural pronoun is THEY.
If you want to create a possessive pronoun out of that one, that would be THEIRS.
Possessive pronouns, as the name itself says, determine some kind of possession. For example:
Is this books yours? - No, it's theirs.
A good reference for this is "The Five I's of Romanticism"
Imagination
Intuition
Individuality
Idealism
&
Inspiration
Answer:
Listen your not going to get the answer here but copy and paste each of them like 1, 2 , 3 ,4 ,5 each of those things