By Erik Sass
In the years leading up to the Civil War, many Northerners and Southerners alike wanted the federal government to take a more aggressive approach toward acquiring new territory. In fact, some private citizens, known as filibusters, took matters into their own hands. They raised small armies illegally; ventured into Mexico, Cuba, and South America; and attempted to seize control of the lands. One particularly successful filibuster, William Walker, actually made himself president of Nicaragua... READ ON