Answer:
Topography is the shape of the land. And area's topography may be flat, sloping, hilly, or mountainous. The topography of and area includes the area's elevation, relief, and landforms. Elevation. The height above sea level of a point on Earth's surface is its elevation.
Explanation:
westward expancion, like imperialism, suported the idea that all people who did not act in the same way as the white americans in the case of westward expancion or the white europeans who supported early impearealism. they both wanted to change everyone to be exactly the same, with the same culture and believes.