The accomplishments of the Lewis and Clark Expedition were extensive. It altered the imperial struggle for the control of North America, particularity in the Pacific Northwest. It strengthened the U.S. claim to the areas now known as the states of Oregon and Washington.
I see that children are up for sale and people are trying to sell them for a good profit. The children were probably really desperate because of famine or poverty or they just wanted to help there parents or they were forced to go and work for any price.
