[["The main causes for the initial outbreak of the War of the Roses, which continued over four decades, were the incompetent rule of Henry VI of England and the ambition of Richard, Duke, of York and then his son Edward.", 30.0], ["One key factor that caused the War of the Roses, was a precedent set by Henry Bolingbroke in 1399, that taking the throne of England by war was an acceptable strategy. Other factors include the illness of King Henry VI, ambition of numerous nobles, and unsatisfactory economic conditions.", 13.0]]
what caused the war of the roses
history