Answer:
The stories of fertile soil and abundant rainfall attracted American settlers to the Oregon Trail
Option: (D)
Step-by-step explanation:
- The Oregon trail was famous at the time for having soils that were fertile and rainfall in abundance which made it the perfect place for American settlers to move to.
- If the stories were true or false is not known, but it served as a good catalyst to promote the moving of the American settlers to the Oregon trail more than the other options given in the question.
- Thus, Option D, that is, the 'stories of fertile soil and abundant rainfall' is the correct answer.