How did trading companies, posts, trappers and traders contribute to the growth and settlement of Washington?

It made the economy grow during the 13 colonies, just like our economy, if a lot of people buy bread, the bread economy is good as a example

Explanation:

This is a bit about your question that might be helpful, throughout the whole colonies, the population of immigration was BOOMING and so was the economy

- "the most famous structure by far at saqqara is djoser's step pyramid. dating from the 3rd dynasty (2667—2448 bc), it was the first all-stone complex ever built on earth."

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i think the answer is b.