Although science has come a long way in this regard, burials still often cannot reveal when the deceased person died, or even when exactly he or she lived. It also cannot tell much about the person's true beliefs, although it may give clues as to the profession or religion of the deceased.
What the burial can or cannot tell depends significantly on the age, complexity, and preservation of the burial itself, but generally there is a great deal that a burial cannot tell historians.
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.
Answer:
Continent: Europe
Countries: Spain, Portugal, and France
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