The Copperheads were northern Democrats who advocated a negotiated peace with the South. The Republicans viewed them as tantamount to traitors, and held meetings opposing them, even in an election off-year like 1863.
UNION MEETING TO-NIGHT.
The Young Men’s Republican Central Committee inaugurate to-night a series of Anti-Copperhead meetings at their headquarters, corner Broadway and Twenty-third-street. E. DELAFIELD SMITH, United States District Attorney, and other well-known speakers, will address the audience.