Answer:
Oral and Written means is the correct answer.
Explanation:
The Mayan civilisation existed from 2000 BC till 950CE. During their existence they made number of remarkable advancements. They passed down the information between the generations through writing and Oral means. The writing system was developed around 3rd century BCE, it was a set of hieroglyphic symbols. All of their works were destroyed by Spanish and since the conquest of Mayans by Spanish they have to rely on the oral tradition and four major works that are known as codices.
