The answer would be Macedonia
The author is arguing that the American Indians were able to help the Pilgrims , because they were sophisticated. In the sense that Pilgrims knew how to hunt, but they weren't as effective as American Indians because Native American had certain degree of sophistication in catching these particular preys. The same happened in fishing. Pilgrims knew how to fish, but they weren't so effective in fishing because they didn't have the sophistication that native American had.
The key elements of the story and details that support them
Can you give more points and I will write a good story.