If a story has an unreliable narrator, you should still trust what they say, although you must take it with a grain of salt. The narrator could still be telling the truth, although if they are insane they may describe seeing a ghost when there wasn't really a ghost. An unreliable narrator does not create a fake story, only an unreliable story, where there may be holes or lies weaved into truth.
B. Mr. Jones my math teacher was once in a commercial
The writers who most likely influenced our Founding Fathers are Locke and Voltaire, as well as Spinoza and Rousseau.
These writers were very political in nature, and their ideas about a free country resonated with the Founding Fathers when they wanted to establish a liberated America based on the principles of democracy and natural freedoms, as well as basic and more advanced human rights.