New England farmers had mostly salt water, hard grounds, and unforgiving weather. Southern farmers had fresh water, soft soils, and plenty of rain and enough sunshine.
It is the "tone and spirit" of Jefferson's writing that make the Declaration of Independence something more than a statement of political principles. To see this, compare Jefferson's words to those of another Virginian, George Mason, whose "Declaration of Rights" was adopted by the Virginia assembly on June 12, 1776, while Jefferson was still working on his first draft.