When I was studying to become a Historian I ran afoul of the professors tasked with helping me arrive at my destination. When you study for advanced degrees in History you are required to choose an area of specialization and if you are particularly ambitious you might choose two separate areas. Being an over achiever who has always been blessed with an inquiring mind I choose four and proceeded to complete the necessary class work for all of them. Near the end of my career as a professional History student the professor in charge of the program told me I had to pick one field that would be my over arching area of study.