I wouldn't bet against it, 50 billion in 1500 would be about 50% of the GDP of the largest economy of the time (China). It's Apollo program funding level. http

I wouldn't bet against it, 50 billion in 1500 would be about 50% of the GDP of the largest economy of the time (China). It's Apollo program funding level. http://www.newgeography.com/content/005050-500-years-gdp-a-tale-two-countries http://www.newgeography.com/content/005050-500-years-gdp-a-t...