National Corporate Party
O'Duffy left Ireland in 1936 to lead a volunteer Irish Brigade in the Spanish Civil War , an action which led to further decline in the National Corporate Party . He retired on his return in 1937 . Without him , both the Greenshirts and National Corporate Party faded away . 
<triplet> lead a volunteer Irish Brigade <subj> 1936 <obj> inception <subj> Spanish Civil War <obj> conflict