The north of the U.S. was considered to be more advanced because they had a lot better technology and they were more on the industry side, where as the south did agriculture
He believed it was essential for the Union that states maintain strong, autonomous state governments.
If the states were enfeebled, then discord would grow between them even more and people would not be fond of the federation as they would feel it was foisting unjust laws on them.
I hope this helps, and my apologies if it somehow is incorrect.
This is known as the printing press they put ink on words and pressed it onto paper this was way faster then writing whole books by hand
