In the 1800's, the manifest destiny was a widely held belief in the United States that its settlers were destined to expand across North America. ... This ideology emphasises determinate characteristics describing special values of the American people and their supposed (allegadly) institutional virtues. The expansion of territory and geo-political domination was justified by the right pressumably given by God to the american nation. As we can observe in retrospective. The boundaries went offshore, and didn't limit themselves from west to eastward expansion.
As I am thinking you mean "Producers" when you say "Sellers" I am going to go with, Yes. You are correct it is Supply. (Also the other one is called Demand not price)
Colonies were sent to America to get money for Great Britain, so it would probably be so they could use the wood to build a successful colony. The answer would probably be along the lines of “to use the wood to build houses or other necessities”
