The book was likely finished sometime in late 1987 or early 1988]. II.The collapse of Communism in the Balkans. It is likely that Gorbachevâs ideas for liberalizing East European communist states worked out best in the Balkan states of Bulgaria and Romania.
A polygon is a  closed plane figure made of three or more straight line segments. The term originated from ancient Greek polygonon, which breaks down to polus (many) and gonia (angle). A polygon is a closed plane figure made of three or more straight line segments.
According to this theory European playing cards originated in Egypt. The jewel in the crown of this theory is a deck of cards discovered in the Topkapi Sarayi Museum, Instanbul, in 1939. The Mameluke Deck, discovered by Professor L. A. Mayer, dates from the 15th century.