Manifest Destiny: This is the belief that American settlers were destined by God to expand across North America. It was one of the driving ideologies behind westward expansion and trails like the Oregon Trail.
Pioneer: A pioneer is an early settler or explorer of a new region. In this context, pioneers are those who traveled along routes like the Oregon Trail to settle in unexplored territories.
Covered Wagon: This was a common form of transportation for pioneers traveling westward. It's essentially an old-school version of an RV – it carried people and their belongings across long distances.