8 6 1 . ▁He ▁served ▁on ▁the ▁Committee ▁on ▁Priv ile ges ▁and ▁E lections , ▁on ▁a ▁special ▁committee ▁to ▁investigate ▁the ▁assault ▁made ▁by ▁Pr eston ▁Bro oks ▁on ▁Charles ▁Sum ner , ▁and ▁on ▁a ▁conference ▁committee ▁of ▁both ▁houses ▁on ▁the ▁Army ▁appropri ation ▁bill , ▁which ▁the ▁sen ate ▁had ▁rejected ▁on ▁account ▁of ▁a ▁clause ▁that ▁forb ade ▁the ▁use ▁of ▁the ▁military ▁against ▁Kansas ▁sett lers . ▁During ▁his ▁last ▁term ▁( 3 6 th ▁Congress ), ▁he ▁was ▁chairman ▁of ▁the ▁Committee ▁on ▁Account s . ▁ ▁Tre as urer ▁ ▁On ▁the ▁recommendation ▁of ▁Secretary ▁of ▁the ▁Tre as ury ▁Sal mon ▁P . ▁Ch ase , ▁he ▁was ▁appointed ▁by ▁President ▁Lincoln ▁as ▁Tre as urer ▁of ▁the ▁United ▁States ▁and ▁served ▁from ▁March ▁ 1 6 , ▁ 1 8 6 1 , ▁until ▁his ▁res ignation ▁on ▁July ▁ 1 , ▁ 1 8 7 5 . ▁Within ▁ 6 0 ▁days ▁of ▁his ▁assuming ▁office , ▁the ▁exp end it ures ▁of ▁the ▁federal ▁government ▁increased ▁dram atically . ▁ ▁He ▁was ▁the ▁first ▁to ▁suggest ▁the ▁employ ment ▁of ▁women ▁in ▁government ▁offices . ▁During ▁the ▁Civil ▁War , ▁many ▁of ▁the ▁cler ks ▁of ▁the ▁Tre as ury ▁Department ▁joined ▁the ▁army , ▁and ▁Sp inner ▁suggested ▁to ▁Secretary ▁Ch ase ▁the ▁advis ability ▁of ▁employ ing ▁women . ▁After ▁much ▁persu asion , ▁his ▁suggestion ▁was ▁taken ▁up , ▁and ▁he ▁carried ▁it ▁into ▁effect ▁successfully