Yeah, I am sure all of the inventions in the farm industry would never have happened if slavery had continued.
Since you are the "know it all". Please inform us of the number of slave owners. Was it 50% of the population owning slaves? 40, 30, 20, 10% or maybe less? Go ahead and let us know that 250,000 people died for something that less than 5% of the population actually participated in.
And throwing in the south is the recipient of the welfare state has nothing to do with the topic. Don't take an exit. Stay on topic.
DY... there is a good argument to be made that the invention of the Cotton Gin around 1795 (Not sure the exact date) was one of the precipitating factors of the Civil War.
Prior to that, Slavery was all but dead in the South. Because the process of ginning or 'carding' cotton was totally uneconomical. The labor, even slave labor, required to process a pound of cotton was just simply not an economic process.
With the invention of the cotton gin (short for 'engine'), cotton could be taken from picked state to processed bales in a VERY economical way, with slave labor handing the planting, tending and picking and the 'gin' processing out the seeds and making the boll into a salable fiber. Without the invention of this agricultural miracle, there would have been no real incentive for mass-slavery. It was, indeed, King Cotton that was behind the slave culture. King Cotton fed the mills of New England and "Olde England'. And was the economic anchor of many states.
The 'other' slave activities were background noise.
The 19th century inventions, especially the McCormick Reaper and the John Deere plow helped open the west. But most of those states were non-slave... esp. the grain belts of Kansas and Nebraska. Which helped create a massive agricultural surplus for the Union... and, again, helped the economic imbalance North to South.
But slavery was prolonged for 50 years + by Eli Whitney and his "Cotton Engine." The machines were, in part, responsible for the war.
Cheers,
Sirhr
P.S. Highly Recommend this as a read:
https://www.amazon.com/Civil-War-Barons-Entrepreneurs-Visionaries/dp/0306825120