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.
Myth:Most slaves were imported into what is now the United States. Fact:Well over 90 percent of slaves from Africa were imported into the Caribbean and South America. Myth:Slavery played a marginal role in the history of the Americas.