The new political thinking and practice, on which the idea and practice of the popular front was built, essentially opposed the general political thinking of its time. The Seventh World Congress of Comintern did not discuss ready-made thought-blocks and distilled ideas – it had to face the failure of the final-target oriented policy of communist parties in the political and social situation had developed by the 1930's. The antifascist popular front was both necessary political practice and a result of theoretical considerations.