As far as I know, the Industrial Revolution started with coal mining. As shafts got deeper there was a need to pump in water and air, and then to lift product out. These steam engines at the site could run on low quality coal allowing all of the good stuff to be sold. The Industrial Revolution really started with these mines in the UK. As regards slavery and other factors, once the steam engines were invented and beg…
It was the profits from the slave trade that financed the initial capital investments in mining, factory, railroads, etc.
You can see the non-effect of slavery on overall American wealth by looking at the graph of GDP per capita over time: https://en.wikiversity.org/wiki/US_Gross_Domestic_Product_(G.... If slavery made America richer, you’d see a drop in GDP per capita after the civil war. But you barely see even a blip.