USA HISTORY

Detailed explanation-1: -Settlers flocked to the Far West for many reasons. They sought adventure, farmland, an escape from the constraints of civilization, and new starts. California was attractive because of its climate and the fact that the Spanish and Mexicans had begun to organize the territory through the mission system.

Detailed explanation-2: -Free land in Oregon and the possibility of finding gold in California lured them westward. At the same time, eastern churches wanted to teach American Indians of the Oregon Country their European ideas of “civilization.” Many simply hoped for a chance to start a new life.

Detailed explanation-3: -The Oregon Trail was a roughly 2, 000-mile route from Independence, Missouri, to Oregon City, Oregon, that was used by hundreds of thousands of American pioneers in the mid-1800s to emigrate west. The trail was arduous and snaked through Missouri and present-day Kansas, Nebraska, Wyoming, Idaho and finally into Oregon.

Detailed explanation-4: -Meriwether Lewis and William Clark reached the mouth of the Columbia in 1805, strengthening the U.S. claim to the region. John Jacob Astor, as the head of the Pacific Fur Company, began European American settlement of the Oregon country with the establishment of a trading post at Astoria in 1811.