“which, BTW, was NOT about slavery”
Then exactly what was it about?
From the same author.
Over time, slavery flourished in the Upper South and failed to do so in the North. But there were pockets of the North on the eve of the Revolution where slaves played key roles in the economic and social order: New York City and northern New Jersey, rural Pennsylvania, and the shipping towns of Connecticut and Rhode Island. Black populations in some places were much higher than they would be during the 19th century. More than 3,000 blacks lived in Rhode Island in 1748, amounting to 9.1 percent of the population; 4,600 blacks were in New Jersey in 1745, 7.5 percent of the population; and nearly 20,000 blacks lived in New York in 1771, 12.2 percent of the population.[4] ‘