The correct answer is criminology.
Criminology is a branch of sociology, meaning that it deals with humans and societies in general, but particularly regarding crime. It studies why crime actually happens and what could be done to avoid it, as well as what should be done with offenders.
European leaders like Spain's King Ferdinand and the Portuguese prince known as Henry the Navigator financed explorers who wanted to travel across the seas. Along with the idea of looking for new trade routes, they also hoped to find new sources of gold, silver, and other valuables.
The British seemed unbeatable. During the previous 100 years, the
British had enjoyed triumph after triumph over nations as powerful as
France and Spain. At first glance, the odds were clearly against the
Americans. A closer look provides insight into how the underdogs emerged
victorious.
Britain's military was the best in the world. Their soldiers were
well equipped, well disciplined, well paid, and well fed. The British
navy dominated the seas. Funds were much more easily raised by the
Empire than by the Continental Congress.
Some of those funds were used to hire Hessian mercenaries to fight the Americans.
Answer: His Combat History
Explanation: It is evident that Monty’s combat history is the point that elicited a stress disorder.
This mental health condition triggered by a terrifying event, which is not able to find employment for over two years. Coupled with the lack of attention towards him that has been experiencing since childhood, he couldn't relate his predicament to his friends.
Thus, the defining moment that led to this stress disorder, is his withdrawal from the army after being injured in combat. Perhaps, if he is still at the army, he wouldn't have witnessed this stress disorder.