Municipal Ownership League
Hearst , a lifelong Democrat , formed the party chiefly as a means of toppling the Tammany Hall political machine , a faction of the Democratic Party which then dominated city politics , and specifically to defeat Tammany crony George B . McClellan , Jr . , who was then running for a second term as Mayor of New York City . 
<triplet> George B. McClellan, Jr. <subj> Democrat <obj> member of political party <subj> Mayor of New York City <obj> position held