​Which of the Following Were Components of the Evolving Northern

​Which of the following were components of the evolving Northern strategy of total war toward the South?  

A) Instituting ​a naval blockade of Southern coasts
B) ​Liberating the slaves to undercut the South economically
C) ​Cutting the Confederacy in half by seizing control of the Mississippi River
D) ​Chopping the Confederacy to pieces by sending troops through Georgia and the Carolinas
E) Try everywhere to engage the South's main strength and to grind it into submission.