The US is large, true. More a matter of control points, such as Harper's Ferry. That's where Lee had to punch through to get to Antietam, in 1862, for example.

The US is large, true. More a matter of control points, such as Harper's Ferry. That's where Lee had to punch through to get to Antietam, in 1862, for example. https://www.nps.gov/hafe/learn/historyculture/1862-battle-of-harpers-ferry.htm https://www.nps.gov/hafe/learn/historyculture/1862-battle-of... But I haven't asserted that all regular wars have front lines all the time. Just that guerrilla wars don't.