Answer:The problem was that Charles II did not have an heir. The French wanted Duke Philip to succeed the throne while the Hapsburgs recommended Archduke Charles to the throne. Both sides had firm claims and this would affect the balance of power in the area.
The connection of this three term is that is it the original phrase of John Locke's trinity, which now replace the term property by pursuit of happiness. It is now the most well-known phrase in the United States Declaration of Independence, it is now the phrase of the genius of Thomas Jefferson.
I believe the answer is A. The position allowed for access to information, which many postmasters then shared, often through newspapers. It would be a very important position.