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.
It is a heptagon. Hepta is from the Greek work for âsevenâ. All polygons in English are named for the Greek number, starting with pentagon (5) and hexagon (6). Latin numbers are generally not used for this purpose, so septagon in not a favourable answer.