No television or radio ads or junk mail, but broadsides, posters and advertisements in the local newspapers. That is how the Green Mountain Boys of the Nineteenth Century were recruited. Here are some examples:

Recruiting the 4th & 5th Infantry, August 27, 1861

Recruiting the 1st Cavalry Regiment, October 1, 1861

Recruiting the 2nd Infantry, October 29, 1861

Recruiting the 3rd Company, Sharpshooters, October 29, 1861

Recruiting the 7th Infantry, December 10, 1861

Recruiting the Nine Months' Men, August 18, 1862

Contributed by Francis C. Guber; see his great collection of Civil War materials, Men To Match The Mountains