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

answer by yourhope:

the speaker of which statement would be best served by joining an interest group?

i want politicians to make more of an effort for lgbt rights!

: )

the united states began searching for a way to reduce oil

-agarvated