If we start to travel from the Mississippi River westwards to the Pacific Coast, than the starting point is a lowland, vast one, as we continue to go towards the west we will encounter high mountains, the Rocky Mountains more specifically, and the elevation will go up to 4,400 meters above sea level, than we will go down, elevation wise, to the high plateaus and will be on elevations between 1,000 and 2,000 meters, and after we go up again to almost 4,400 meters as we cross the Cascade Mountains. After the Cascades we go gradually downwards towards the lowlands, where we will first go a bit bellow sea level, and than little up in the lowlands along the Pacific Coast, and at the end reach a point of zero elevation.
Answer:The Native Americans were promised protection against the 'Americans' but the British couldn't keep that promise because, as you probably know, we were beaten and were 'kicked out' of the country.
Answer:
The causes of sectionalism were economic differences, states right's, social differences, and the issue of slavery. Furthermore, the issue of slavery really represented a big difference between people that supported slavery in the South and abolitionists in the North.