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She sold some of Vincent's works, loaned others out for exhibitions and – also very importantly – published his letters to Theo. ... Van Gogh's fascinating life story is one of the reasons why his work gradually took the whole world by storm.
Gustav Klimt used red, black and yellow quite often, which gave these paintings a rather Byzantine look. These colors were used in ancient Greece a lot, because that was what was available to them, and the Byzantine Empire was the eastern half of Greece that remained after it fell. Temporarily at least...
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D.
a raw material or agricultural product that can be bought and sold