who are three key people or groups that were involved in acquiring oregon.

Answer 1

1. Lewis and Clark Expedition: In 1805, the Lewis and Clark Expedition was sent by President Thomas Jefferson to explore the western territories, including present-day Oregon. Their exploration played a crucial role in the eventual acquisition of Oregon by the United States.

2. American Pioneers and Settlers: In the mid-19th century, a wave of American pioneers and settlers began moving to Oregon in search of fertile land and economic opportunities. These settlers played a significant role in establishing American presence in the region and ultimately pushing for its acquisition by the United States.

3. Oregon Trail Pioneers: The Oregon Trail was a treacherous route used by thousands of pioneers seeking to settle in Oregon and other western territories. The perseverance and determination of these pioneers in making the difficult journey to Oregon helped solidify American control over the region.