It helped set them apart from other countries and also established a sign of independence.
The conclusion that can be best be drawn from the influence of these books would be "(1) Authors often increase public awareness of <span>significant issues" especially the last. </span>
Your question is not specific but I will give you some insight on World War II that may help you answer this question:
There 2 events that are most mentioned which triggered World War II. The first would be the Marco Polo Bridge Incident between China and Japan on July 7, 1937.
Another historical even that has been mentioned to have started WWII was invasion of Germany in Poland in September 1, 1939. Because of this France and Britain declared war on the Nazi's.
The English Colonists were mad at the French because of the French and Indian war that cost a lot of money for the British causing them to put even higher taxes than already and then after that the king told the colonists that they were not allowed to make settlements past the Appalachian Mountains.