Who canceled the project for the Landkreuzer P. 1000 Ratte, which would have surpassed the Panzer VIII Maus as being the heaviest fully enclosed armoured fighting vehicle ever built?
Landkreuzer P. 1000 Ratte: The "Landkreuzer" P. 1000 "Ratte" (English: "Land Cruiser P. 1000 "Rat"") was a design for a super-heavy tank for use by Nazi Germany during World War II, proposed by Krupp director Edward Grotte in June 1942, who had already named it ""Landkreuzer"". Landkreuzer P. 1000 Ratte:  The project gained the approval of Adolf Hitler, who had expressed interest in the development of the tank, but was canceled by Minister of Armaments Albert Speer in early 1943. Panzer VIII Maus:  It is the heaviest fully enclosed armoured fighting vehicle ever built.
i don't know