 The effect of the change was to increase the administrative overhead of the army, with no corresponding increase in effectiveness as the new technology, tanks motor vehicles and wireless communications were slow to arrive and were inferior to those of potential enemies.The dilution of the officer class by the need for extra unit staffs, was made worse by the politicisation of the army and the addition of Blackshirt Militia.The reforms also promoted frontal assaults to the exclusion of other theories, dropping the previous emphasis on fast mobile warfare backed by artillery.