What subject is this for ?
Yes the smaller states did not like this plan because representation was based on population and they had a smaller population.
Answer: The 2,200-mile east-west trail served as a critical transportation route for emigrants traveling from Missouri to Oregon and other points west during the mid-1800s. Travelers were inspired by dreams of gold and rich farmlands, but they were also motivated by difficult economic times in the east and diseases like yellow fever and malaria that were decimating the Midwest around 1837.
Explanation:
They are being established to defray further expenses of defending, protecting and securing.