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