Krech also contradicts Martin's exclusion of climatic change as an explanation by asserting that widespread climatic change did indeed occur at the end of the Pleistocene.
But well-connected meaning structures let you turn ideas around in your mind, to consider alternatives and envision things from many perspectives until you find one that works.
And while you might be able to defend this stern view of the ECB's role based on some kind of "principle" of whatnot, it's crazy to think that the alternative is a loss of sovereignty for Europe!
The core theory is human practice plays a key role in the course of original nature transforming to humanized nature. Man is a part of nature, and has a close relationship with it.