Aside from ending and his circle of vultures’ careers ASAP maybe invest more in computing for logistical handling and get focused on miniaturization like the Murikkkans were starting then, but with an emphasis on reduction of raw material, and further assistance in logistics (again), rather than the consumer-heavy and military focus the US had. Also moar fast trains. Ideal world try to set up even more foreign exchange programs to influence more future leadership abroad.