Answer:
off the coast of New England colonial region which includes New Hampshire, Massachusetts Bay, Rhode Island, and Connecticut
Explanation:
D, I'm pretty sure it's D
Answer:
Option: They were railroad hubs and central to supply lines.
Explanation:
During the Civil War, the Union needed to keep hold of Chattanooga and Atlanta because these places were part of the railroad junction which remains as vital for supplying goods to the troops.
Atlanta became a target because of its unusual economic and political importance to the Confederacy. It was a significant railroad hub for the support for the war effort.
A Blockade is a wall of ships that can form a wall to prevent passage to another country (Normally used in war to 'starve' the enemy!).