Medium tank to manufacture a well-balanced medium tank in very large numbers - around 57,000 T-34s and 49,000 M4 Sherman tanks were built during the war period. During and after World War II, the roles of light tanks were gradually taken over by less-expensive armoured cars and specialised reconnaissance vehicles. Heavy tanks, having shown their limitations in combat, experienced a limited post-war arms race of progressively more heavily armed and armoured designs. With the rise of more sophisticated anti-tank missile weapons, to which heavy tanks had demonstrated high vulnerability, these too were eventually phased out. With advances in technology, aspects such as
The war to end war to war. Wells used the shorter form of the phrase, "the war to end war", in "In the Fourth Year" (1918), in which he noted that the phrase had "got into circulation" in the second half of 1914. In fact, it had become one of the most common catchphrases of the First World War. In later years, the term became associated with Woodrow Wilson, despite the fact that Wilson used the phrase only once. Along with the phrase "make the world safe for democracy", it embodied Wilson's conviction that U.S. entry into the war was necessary to preserve human freedom.