During the 1920s Baars emerged as part of the group associated with De Bezem, a fascist journal aimed at the poor.

[1] The two quarrelled in 1932 however and the rabble-rousing Baars soon set up his own movement, the General Dutch Fascist League (ANFB).

[2] Baars gained some support amongst the poor as his coarse, down-to-earth style of rhetoric could easily be identified with by people who spoke in the same manner.

After a brief involvement in opposing Anton Mussert and the NSB, Baars quit politics in 1936 and returned to market trading.

[1] Having previously criticized Adolf Hitler's treatment of the Jews, Baars played no role in collaboration and was even active in the Dutch resistance.