At its foundation, the ICC's political principles as laid out in its Platform represented a synthesis of the different left fractions that had left, or been expelled from, the Third International. Organisationally however, the ICC looked above all to the experience of the Italian Fraction, and in particular to its conception of the Fraction as a "bridge" between an old Party which had failed or betrayed, and a new Party which must necessarily be created by the working class if its revolution is to be successful.