SAT US History Practice Question

The route known as the Oregon Trail followed the Platte River

1. A.across the Appalachians and into Ohio
2. B.across the Rio Grande and up the California coast to Oregon
3. C.across the Great Plains to the Rocky Mountains and then into Oregon along the Snake River
4. D.across the Mississippi and along the Missouri River to the Badlands and into Canada
5. E.across the desert and up the Sierra Nevadas to Oregon