[tlear]

They had centralized fully functional states that maintained economy that could supply cities as large or larger than Europe.

Japan was not made by Meiji, it was transformed but foundation of the "miracle" was there. During sengoku it created and armed with locally built firearms armies that dwarfed that of any European state of the time in one generation.. from bows to hundred thousands of muskets

Culture >> everything. In 1945 Beirut was a paradise compared to burned to the ground Tokyo and every other major city. In few decades it had built dams like Kurobe, challenged and beat American car manufacturers.. resources, colonialism.. right. Whoever was running the place knew how to do it, they do not know now and very unlikely to learn in the next 100 years.