It was the Mir space station. It was built in the 80's by the Soviet Union. Hope I helped!
The answer is A. They were independent cites that ruled land around their area. They weren't countries per say, but they were somewhat similar to countries.
North of where? caspian sea actualy is the largest salt lake in the world that located on middle-east, asia (north of Iran (known as Persia), South of Russia). Mediterranean sea approximately located on the north of Africa continent and south of Europe continent.
I think it should be silk
