Although both sides are both mountainous, the western side of the US has a much more mountainous landscape. But it is mostly the Northern Butte side.
Western North America is more mountainous.
The western side of North America is more mountainous.
EAstern :)
western
Western.
Western North America is more mountainous.
Western North America is more mountainous.
The western part of North America since it is where the Rocky Mountains are.
Western because the Rocky Mountains
The west has more moutains. Check out a map.
The western has more mountaneous landscaping
The more mountainous is the western side of north America