This document provides guided notes on Manifest Destiny and the westward expansion of the United States in the 1800s. It covers topics like mountain men exploring the Oregon Territory, the influx of American settlers in Texas which caused tensions with Mexico, the Texas War for Independence including the battles of the Alamo and San Jacinto, US acquisition of territories following the Mexican-American War including the California Gold Rush, and the Mormon migration. The notes include questions about events, people, and concepts related to this period of US territorial growth and the doctrine of Manifest Destiny.