What was an effect of the civil war?

a. rapid growth of the union navy.
b. rapid increases in southern cotton exports.
c. decreased need for rapid transportation.
d. decreased need for rapid communication.

A is the correct answer.

As a result of Union blockading of Southern Ports, the American Navy grew in power/prestige/and sheer range and ability.

answer: (fluidity)is the correct answer.

explanation: because of this characteristic, success on the battlefield depends in large part on the ability to adapt to proactively change events to our advantage as well as to react quickly to constantly changing conditions

i believe it would be capitalism