Answer:
The Polynesians and Lapita didn't managed to create an empire because of the vast expense of the ocean.
Explanation:
The Polynesians and the Lapita managed to spread out and dominate one of the largest areas in the world. The things is that the majority of that area is ocean, with islands sparsely distributed across it. While these two groups of people managed to go to great distances and settle in, the creation of empire was not really possible. The main reason as to why an empire was not created was the vast expense of the ocean.
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