A way that trade barriers can affect you as a customer is by raising prices of the protected good and hurt foreign producers of the good who wish to export to the country.
Malaysia thailand Burma china Korea tibet ect
The best answer for this question would be:
detailed hieroglyphic writing system
The Mayans had exceptional writings that recorded what they
did throughout history. They made these writings in order to keep track of the
political rulers and the culture that they were establishing.