Which of the following statements is true concerning the map pictured below?

A-The Union thought that by blockading the
southern ports they could easily win the
war.

B- The Union wanted to shut the south off
from all possible help in an attempt to
squeeze the Confederacy into submission.

C-The snake's head begins in the Union's
capital and tail ends in the Confederate
capital to mark the journey the soldiers
would face during the war.

D-The Union knew that the Confederacy had
the industrial advantage so they were
attempting to cut off any exportation of
goods.