They did, but that era ended a few centuries before there was a country of Sweden. Also, the thralls were mostly taken prisoner in raids abroad, so the local f

They did, but that era ended a few centuries before there was a country of Sweden. Also, the thralls were mostly taken prisoner in raids abroad, so the local forests were not a factor. https://en.wikipedia.org/wiki/Thrall https://en.wikipedia.org/wiki/Thrall