The correct answer for the question that is being presented above is this one: "Appalachian Mountains." The landform taht was crossed by American colonists when they headed west is the Appalachian Mountains. It is crossed by American colonitst.
Answer:correct answer for the question that is being presented above is this one: "Appalachian Mountains." The land form that was crossed by American colonists when they headed west is the Appalachian Mountai
