Which of the following was a Confederate military strategy during the Civil War?

Defensive strategy is the confederate military strategy during the civil war.

Explanation:

At the beginning of the civil war the grand strategy of the confederates were to defend the borders of the south. They had no interest to invade the north but they simply wanted to survive and defend their right to secede. When union army took an offensive approach by oppressing and attacking the south, the confederate states plunged in to the war and started to be offensive against the union states.

Their soldiers were of great morale and filled with values of commitment. This made them to take up defensive strategy in the beginning of the civil war.