"The bloody history of the American labor movement has never really been taught in schools. Its antagonists are powerful entities who’d rather be remembered for their visionary contributions and largesse. Take the Rockefeller family, some of the most celebrated philanthropists in American history, whose heirs and business partners would like to be known for financial contributions to medical science — not for being responsible for the deaths of the children of striking miners who worked for the Rockefeller-owned Colorado Fuel & Iron Co.

The incident, known as the Ludlow Massacre, occured in April of 1914, and it sparked a 10-day battle in the coalfields of the American West. It was one of the bloodiest episodes in the history of American class conflict, and one of the closest things to war between compatriots since the Confederacy was defeated a half-century earlier."