 <translate> National Labor Union (NLU), nke e hiwere na 1866, bụ nke mbụ mba ọrụ federation na United States. A chụrụ ya n'ọrụ n'afọ 1872.  Dabere n'akụkụ Akwụkwọ Nsọ a, na 1866 a kpọrọ mgbalị mbụ e mere na United States maka inwe òtù ndị ọrụ na-arụ ọrụ n'ụlọ ọrụ ahụ? Azịza ya bụ National Labor Union <hau> Kungiyar Kwadago ta Kasa (NLU), wacce aka kafa a 1866, ita ce kungiyar kwadago ta farko a Amurka. An rushe shi a shekara ta 1872.  Dangane da wannan nassi, a 1866 yunƙurin farko a Amurka a ƙungiyar ma'aikata an kira shi? Amsar ita ce Kungiyar Kwadago ta Kasa 