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.
A Concise History of Playing-cards. Playing Cards are believed to have originated in China and then spread to India and Persia. From Persia they are believed to have spread to Egypt during the era of Mamluk control, and from there into Europe through both the Italian and Iberian peninsulas in the second half of the 14th century.