What type of Union united all craft workers and common laborers in a particular industry?

Employers opposed industrial unions, which united all craft workers and common laborers in a particular industry. Companies went to great lengths to prevent unions from forming. Companies would have workers take oaths or sign contracts promising not to join a union.

hello! : )

i think a judge or jury, as they preside over the court and is the central figure in a trial.

hope this and i hope i answered in time!

good luck!

~ destiny ^_^