What does the fact that there were slaves in New Jersey indicate about the role of slavery in the United States?

They played a vital role in the economy, and that they simply couldn't do the work themselves. to be honest

Explanation:

There role in New Jersey: In the decades before the Revolution, slaves were numerous near Perth Amboy, the primary point of entry for New Jersey, and in the eastern counties. Slaves were generally used for agricultural labor, but they also filled skilled artisan jobs in shipyards and industry in coastal cities.