Relacionar Columnas Westward MovementVersión en línea Link the pairs. Use the information we saw last week: The westward expansion. por Andrea Hurtado 1 Indian Removal 2 Indian Removal Act 3 western pioneers 4 Oregon Trail, 5 Westward Movement 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 law allowed the federal government to force American Indians to move west Traders looking for new sources of goods Expansion of the United States westward across the Appalachian Mountains and eventually across the Mississippi River.