Negative environmental impacts from unsustainable farming practices include: Land conversion & habitat loss. Wasteful water consumption. Soil erosion and degradation.
The enlightenment sparked ideas of natural rights and freedoms, when the British government had colonized the americas, there were no rights granted. The people educated in the enlightenment know thinkers like John Locke with his idea that everyone is born with rights, and resize they are not receiving these.
The enslaved people were transported from Africa to The Caribbean to grow Sugar.
Hope this helps!
Since some of the frontier colonies during this time were free due to the idea of popular sovereignty, some slaves could successfully escape to "free" states and not be forced to return to their home state.