Mechanized Warfare - Inter-War Period or WWII
Response to the following :
What are some lessons learned regarding the introduction of the tank and/or the concept of mechanized warfare during WWI, the Inter-War Period, or WWII?
Note: Please ensure you stay within the WWI - WWII time period. Please be short but relevant. Provide some good reasons on why there were important and the critical lessons that were learned as a result.