Conversation so far:
Who was the Boss of Jersey City?
Technically, Hague's only responsibility as mayor was to appoint the school board.
When did Hague become Boss of Jersey City?
CANNOTANSWER.
Are there any other interesting aspects about this article?
Hague soon extended his influence statewide by helping to elect his "puppets" as governor.
How did Hague change the government in Jersey City?
Hague endorsed State Senator Edward I.
Edwards and aggressively campaigned for him.
What other politicians did Hague help?
Hague proclaimed himself leader of the New Jersey Democratic Party, and Edwards allowed him to recommend dozens of appointments to high state offices.
How long was Hague the leader of the NJ Democrats?
CANNOTANSWER.
Are there any other interesting aspects about this article?
He soon built the organization into one of the most powerful political machines in the country.
Hague himself became very wealthy.
Did Hague ever consider running for national office?
They were replaced by Poles, Italians, Eastern Europeans and African-Americans.
Hague never adapted his methods to the new groups.

Question: What other people did Hague work with?
Self-contained rewrite: What other people did Hague work with besides Poles, Italians, Eastern Europeans and African-Americans?