Relier Pairs Westward MovementVersion en ligne Link the pairs. Use the information we saw last week: The westward expansion. par Andrea Hurtado 1 Indian Removal 2 Oregon Trail, 3 Westward Movement 4 western pioneers 5 Indian Removal Act Threatened by the U.S. Army, most American Indian groups signed treaties agreeing to expulsion. law allowed the federal government to force American Indians to move west Expansion of the United States westward across the Appalachian Mountains and eventually across the Mississippi River. Traders looking for new sources of goods a route that stretched over 2,000 miles from Missouri to Oregon