Slate is much more commonly found in wet areas, especially around rivers in the United States, so it wouldn't be very available to Natives who were more inland.
Papua New Guinea is the largest island of the more densely populated southwestern Oceanic island group. It is located north of Australia and to the east of Indonesia.
Answer:
Traditional economies,
Explanation:
because they are subsistence economies that rely on trading and bartering and their main work is farming and fishing.
