Non-renewable resources are resources for which there is a limited supply. The supply comes from the Earth itself and, as it typically takes millions of years to develop, is finite. Non-renewable resources can generally be separated into two main categories; fossil fuels and nuclear fuels.
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.
Making the world better, one answer at a time. The first slaves brought to what is now the United States were brought to Spanish Florida in the 1550s and 1560s. The first slaves to arrive in the British American colonies were brought to Virginia in 1607.