Civic responsibility is the responsibility of citizens in a society when you apply some certain attitudes and actions related to participation in society and democratic governance and <span>The concept of civic duty is based on the principle that citizens own some allegiance to their government and that government in turn protects its citizens</span>
I'm pretty sure that would be to remove Union pressure from Virginia. Virginia was being destroyed by the Civil War and Lee, who was only fighting for the Confederacy because of his home state, which was Virginia. Because of this, he invaded Union territory to move the fighting to Union territory to protect Virginia. Hope this helps!