The includes earth's crust and the uppermost strong and rigid part of the mantle.

Lithosphere

Explanation:

Lithosphere  is the layer of the earth that is present at the outermost shell.The rocks that is present in the crust and the mantle upper layer makes it rigid in mechanical manner.It makes it behave as the solid layer which is brittle.

Lithosphere is present in the range of almost 50 km to 160 km in terms of depth on the surface of the Earth.It's main purpose is support and help  the terrestrial organism and components by providing surface.

answer; the confederacy could afford to move a large number of prisoners hundreds of miles but could not afford to fee and house the prisoners;

answer; by working independently, the states have a high likelihood of developing innovative solutions that can be employed in other states;