The explicit propaganda is saved until the denouement, although, as standard Hollywood fare it is deeply embedded in the whole storyline. 

It moves along at a good pace, the romance interest between Bill and Lucy is inevitable from their comedy-disastrous first meeting, when he collects her at the train station for the judge.

It is not quite clear what potential J.J.Grant sees in Bill Adams from his initial encounters with him, where Bill is more or less going through the motions of being both a lawyer and a candidate - but ultimately the judge gets him to stand on his own feet.

Released in 1943 as the US was preparing to enter the war the message at the end is pretty clear - the need to stand up for and defend the american way of life, with the incumbent mayor and his thugs standing in for the fascists and the local judge representing extreme appeasement, which has to be turned around.