Respuesta :
It should be noted that the main factor that made the trip along the Oregon Trail difficult is Crossing the wide rivers and dealing with the weather.
According to this question we are to discuss about difficulty about trip along the Oregon Trail .
As a rest if this we can see that, Crossing the wide rivers and dealing with the weather serves as the main barrier.
Learn more about Oregon Trail at;
https://brainly.com/question/26303746