During the inter-war period, militaries were primarily led by officers who were conservative in their approach to military structure and combat. One notable and very important aspect that became a topic of much debate during the period between WWI and WWII was that of armored and motorized warfare. Not only armored vehicles such as tanks but also motorized vehicles for logistical purposes as well. The conservative stance regarding these new weapons systems, which were introduced during WWI, was that they were to be utilized in a support role for the infantry and cavalry. This came at a time when most of the armies of the world were transitioning away from horse-drawn supply trains and tactical cavalry, due to the modernization of motorized military vehicles.
Several leaders who opposed the conservatives on the role of armor and motorized warfare went on to become some of the most well known military writers ever. Two of these men were British General J.F.C. Fuller and British Captain B.H. Liddell Hart. Both of these British officers wrote and created doctrine that would be instrumental in the waging of armored warfare for not only WWII