Webster's Seventh of March Speech?

4. Peaceable secession is an impossibility because there would be no practical way to get voluntary agreement on where to draw the line, which states would secede, which ones would go with which part, and which part would remain the official American country and which one would be the "other" new country. Who would get the national symbol of the eagle, the stars & stripes, the foreign embies in other countries, etc.