 
<translate> N'iburu n'uche usoro nke echiche, nye ajụjụ na azịza ezi uche dị na ya. Nkọwa: Nkebi ahịrịokwu dị mkpa n'akụkụ Akwụkwọ Nsọ ahụ bụ: National Labor Union (NLU), nke e hiwere na 1866, bụ òtù ndị ọrụ gọọmenti etiti mbụ e nwere na United States.  Ajụjụ na azịza: <eng> Given the stream of consciousness rationale, provide a reasonable question and answer. Rationale: The relevant sentence in the passage is: The National Labor Union (NLU), founded in 1866, was the first national labor federation in the United States.
 The question and answer: 