This question is generally related to the Olmec, Aztec, Incas and Indian tribes in North America.
For such civilizations the greatest geographic challenge was their isolation from the rest of Europe and Asia where modern science was completely changing the world.
Also, these civilizations had abundant farmland, game and food supplies yet North America rarely saw the development of large cities which limited their progress in human development.
The limitations are, defamation, incitement to violence and true threats of violence. These are limitations because they threaten a persons well being as well they can harm others, they are limits because when someone is truly speaking I’m violent or threatening ways we can’t always put that aside sometimes the law does have to get involved, if there was no law and we could really say anything and be as violet as we wanted, imagine how many bad people would be out there in the world.
1 is the answer to your question.
