There should be Their
Explanation:
This is so because you are referring to a person or persons not an object or non living thing.
The first armed conflict of the Cold War was A) the Korean War.
Multiple the (12) copies of books times the amount of money ($19) then add the ($15) for shipping. The total will be $243.00.
Answer:
the second one (When one becomes a baby sitter, one should not play favorites.
Explanation: