USA HISTORY

Detailed explanation-1: -Louis in 1812. On that trek, Stuart found a wagon-friendly crossing of the Continental Divide at South Pass in present-day Wyoming. Three decades later, the pass, the most important landmark on the Oregon Trail, made mass migration to Oregon possible.

Detailed explanation-2: -Famous explorers like Robert Stuart, Jedediah Smith, and Marcus Whitman found the South Pass through the mountains and blazed the trail that made wagon travel across the continent possible.

Detailed explanation-3: -Robert Stuart of the Astorians (a group of fur traders who established Fort Astoria on the Columbia River in western Oregon) became the first white man to use what later became known as the Oregon Trail. Stuart’s 2, 000-mile journey from Fort Astoria to St.

Detailed explanation-4: -Robert Stuart was a member of a venture financed by John Jacob Astor that set up an outpost near the mouth of the Columbia River as an initial step in a plot to monopolize fur trade in the western territories.

Detailed explanation-5: -From the early to mid-1830s (and particularly through the years 1846–1869) the Oregon Trail and its many offshoots were used by about 400, 000 settlers, farmers, miners, ranchers, and business owners and their families.