Westward migration on the Oregon Trail
1. 2,000-mile-long route from Missouri to Oregon
2. Groups as large as 900 people completed the trip by the 1840s
3. 400,000 people had used the Oregon Trail by 1869
4. Travelling was dangerous - lack of food/water, diseases, attacks from indigenous tribes
5. Taking shortcuts could prove fatal (e.g. Donner Party)