▁ ▁The ▁National ▁Committee ' s ▁organ izing ▁efforts ▁had ▁produced ▁mixed ▁results : ▁while ▁it ▁en rolled ▁around ▁ 3 5 0 , 0 0 0 ▁steel work ers ▁during ▁the ▁course ▁of ▁the ▁strike , ▁its ▁greatest ▁strength ▁was ▁among ▁imm igr ant ▁workers . ▁High er ▁sk illed ▁native ▁born ▁workers ▁gave ▁the ▁strike ▁only ▁lu ke w arm ▁support , ▁while ▁black ▁steel work ers ▁gave ▁it ▁almost ▁none ▁at ▁all ▁in ▁the ▁Pitts burgh ▁area ▁and ▁less ▁than ▁enthus i astic ▁support ▁elsewhere . ▁ ▁The ▁authorities ▁attacked ▁with ▁their ▁custom ary ▁violence : ▁within ▁ten ▁days ▁four teen ▁people ▁had ▁been ▁killed , ▁all ▁of ▁them ▁strik ers ▁or ▁strike ▁sympath izers . ▁V ig il antes ▁exp elled ▁F oster ▁from ▁John st own , ▁Pennsylvania , ▁at ▁gun point . ▁F oster ▁himself ▁became ▁the ▁focus ▁of ▁a ▁Cong r essional ▁inqu iry ▁that ▁was ▁originally ▁initi ated ▁to ▁study ▁the ▁causes ▁of ▁the ▁strike . ▁In ▁the ▁meant ime ▁authorities ▁bar red ▁strik ers ▁from ▁meeting . ▁ ▁F oster ▁spent ▁most ▁of ▁his ▁time ▁raising ▁money ▁and ▁organ izing ▁material ▁assistance ▁for ▁strik ers ▁and ▁their ▁families . ▁In ▁the ▁meant ime ▁General ▁Leonard ▁Wood ▁im posed ▁mart ial ▁law ▁in ▁Gary ▁while ▁authorities ▁in ▁Pennsylvania ▁broke ▁up ▁strike ▁meet ings ▁wherever ▁they ▁could ▁be ▁found . ▁By ▁November , ▁as ▁funds ▁were ▁running ▁low , ▁the ▁strike ▁was ▁losing ▁steam . ▁F oster ▁and ▁the ▁other ▁members ▁of ▁the ▁committee ▁voted ▁to