Conversation so far:
where was Frank Hague commissioner?
City Commission of Jersey City.
what years was he Commissioner?
1913.
how long was he commissioner?
1917.
what were some noteworthy things that happened while he was Commissioner?
Hague was named public safety commissioner, with control over the police and fire departments.
did the fire and police get along with him?
Hague immediately set about reshaping the corrupt Jersey City police force.
What did the police and fire department do when he did this?
Hague took steps to curb the police department's lackadaisical work ethic, punishing offenses that had gone unpunished for years.

Question: who did he work closesly on his side?
Self-contained rewrite: Who did Frank Hague work closely with on his side?