far more often than the warfare itself -- 
(ROOT (ADVP (ADVP (RB far) (RBR more) (RB often)) (PP (IN than) (NP (NP (DT the) (NN warfare)) (NP (PRP itself)))) (: --)))
(ROOT (ADVP (ADVP (RB ) (RBR ) (RB )) (PP (IN ) (NP (NP (DT ) (NN )) (NP (PRP )))) (: )))