After they surrendered to the North, Southern soldiers were -sent home.

-tried for treason.

-taken as prisoners of war.

Sent home

Explanation:

Since they were US Citizens they were considered patriotic and loyal to the US and only the leaders of the South were tried

"a government in which power is divided between state and national levels". federalism is a system of government in which entities such and state and province, share power with the national government.

studies show tha in 7.5 billion years from now, the expanding sun will engulf, and destroy, the earth.