I'm going to assume this is a True or False question so false, heat from the reaches the earth through radiation.
The correct answer is a plateau<span>. A plateau is a flat, elevated land form that rises sharply above the surrounding area on at least one side. It occurs on every continent and take up a third of the Earth's land. Many plateaus form as magma deep inside the Earth pushes toward the surface but fails to break through the crust. Instead, the magma lifts up the large, flat, impenetrable rock above it. </span>
The war was centered in the east, and as military power grew it was often used to oppress, so many people fled west to the U.S. for freedom.