I believe they were called "Players" because that's what they were called in Hamlet.
One reason would be France sought revenge after their miserable defeat that took out its American standings in the Seven Years' War. If Britain lost, France thought that Britain would no longer be a major power.
They can be settled by wars where whoever wins, gets what they want. But a common way to solve a conflict is a negotiation. Countries will negotiate until they both are happy with the result.
hope that helped!
For life or until they resign, die or are removed