Which theory of migration states that people sailed down the west coast of North America to make settlements?

• European Migration Theory
• Northern Asia Coastal Theory
• Bering Land Bridge Theory
• Polynesian Theory

The theory that states people sailed down the west coast of North America to make settlements is called the Polynesian Theory.

If you were trying to find the answer yourself, you could have approached it in the following way:

1. Start by understanding the different theories of migration to North America and their key ideas: European Migration Theory, Northern Asia Coastal Theory, Bering Land Bridge Theory, and Polynesian Theory.

2. Research each theory and identify the main arguments and evidence supporting them.

3. Compare the theories to see which one aligns with the given statement that people sailed down the west coast of North America to make settlements.

4. Based on the information gathered, determine which theory best matches the statement in question.

In this case, the Polynesian Theory would be the most appropriate answer, as it suggests that Polynesian seafarers sailed down the west coast of North America and established settlements.