The action of solving a problem, dispute, or contentious matter.
I think the answer is infinitive.
I would say many thing from life liberty and pursuit of happiness have come through freedom of newspapers talking about government issues or thoughts many books about openly opinionated articles were allowed from these themes. (I'm not an expert just giving a sort of ideas )
An example of a typo would be spelling a word incorrectly. Let's say I were to spell whgat. The correct spelling would be What.