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