The correct answer to this open question is the following.
The cultural history of Oceania before western colonization was largely recorded by oral tradition.
The indigenous people from Oceania were tribes such as the Polynesians, the People from Melanesia, Australasia, and Micronesia, what today is New Zeland Australia, Fiji, Papua New Guinea, and Australia. Before western colonization, historians only have an oral tradition as the only reference of what happened in this region full of folklore and stories passed from generation to generation.