Answer:
If Missouri came into the union as a free state, the balance of the power in the senate would drop.
Explanation:
Both C and D make sense, I would have to go with C though.
They are approved bu the senate and nominated by the president. Their term doesn’t end until they choose to end it meaning they could serve for a lifetime if they wish to
The leader of PLO is Yasser Arafat. Hope this helped!