▁Joseph ▁Sch ump eter ▁( 1 8 8 3 – 1 9 5 0 ), ▁Thor stein ▁V eb len ▁( 1 8 5 7 – 1 9 2 9 ), ▁and ▁Norman ▁Ang ell ▁( 1 8 7 2 – 1 9 6 7 ). ▁While ▁these ▁non - Mar x ist ▁writers ▁were ▁at ▁their ▁most ▁pro l ific ▁before ▁World ▁War ▁I , ▁they ▁remained ▁active ▁in ▁the ▁inter war ▁years . ▁Their ▁combined ▁work ▁informed ▁the ▁study ▁of ▁imperial ism ' s ▁impact ▁on ▁Europe , ▁as ▁well ▁as ▁contributed ▁to ▁ref lections ▁on ▁the ▁rise ▁of ▁the ▁military - polit ical ▁complex ▁in ▁the ▁United ▁States ▁from ▁the ▁ 1 9 5 0 s . ▁Hob son ▁argued ▁that ▁domestic ▁social ▁re forms ▁could ▁c ure ▁the ▁international ▁disease ▁of ▁imperial ism ▁by ▁removing ▁its ▁economic ▁foundation . ▁Hob son ▁the or ized ▁that ▁state ▁inter vention ▁through ▁tax ation ▁could ▁boost ▁bro ader ▁consumption , ▁create ▁wealth , ▁and ▁encou rage ▁a ▁peace ful ▁mult il ater al ▁world ▁order . ▁Con vers ely , ▁should ▁the ▁state ▁not ▁interven e , ▁rent iers ▁( people ▁who ▁ear n ▁income ▁from ▁property ▁or ▁se cur ities ) ▁would ▁generate ▁soci ally ▁negative ▁wealth ▁that ▁fost ered ▁imperial ism ▁and ▁protection ism . ▁ ▁Hob son ▁for ▁years ▁was ▁widely ▁influ ential ▁in ▁liberal ▁circles , ▁especially ▁the ▁British ▁Liberal ▁Party . ▁Len in ' s ▁writ ings ▁became ▁orth odox y ▁for ▁all ▁Marx ist ▁histor ians