What effect did the rivers have on emigrant travel along the Oregon Trail?

What were some benefits of the lewis and clark expedition?

The second westward surge reached the: mississippi river, appalachian mountains, oregon territory

Which situation is the best example of regulation in an economic system? a retail business just opened a new store in a community close to its original location. a small clothing shop slashed it prices to attract customers from a larger department store nearby. a farmers’ market has offered a special deal to customers from a nearby yoga school. a state agency has been created to monitor the production and distribution of sports drinks.