True - the crusades were the holy wars controlled by Jerusalem
It is a political cartoon my Benjamin Franklin targeting the British colonies. The letters above the snake are abbreviated names for these colonies.
The map is pointing to the middle colonies, but the middle colonies consisted of PA, NJ, Delaware etc, but the arrow is specifically on New Jersey so I would assume New Jersey.
No they believe that every person is perfect and should be at peace with themselves. They should not solve problems with violence but with peace.