Definitions for peer pressure. peer pressure(Noun) encouragement by one's peers. Peer pressure. Peer pressure is influence that a peer group, observers or individual exerts that encourages others to change their attitudes, values, or behaviors to conform to group norms.
The Civil war ended with the surrender of Lee to Grant, in Virginia at Appomattox court. it ended in 1865.
I guess Appomattox is the place where the war officially came to an end and that is why it is so important, but it just does not seem any special than other stopping grounds in the Civil War to me.