<p>As the 150th anniversary of the Civil War continues to be commemorated, progenies of those who fought in the bitter battles between the North and South have converged to remember the sacrifices on both sides.</p>
<p>But tucked inside an exhibit in Frederick, Maryland is a two-page document from Robert E. Lee – found wrapped around a case of cigars – that could have changed the course of the entire war, and led to victory for the Union.</p>