Quick Answer. The domain theory of magnetism explains what happens inside materials when magnetized. All large magnets are made up of smaller magnetic regions, or domains. The magnetic character of domains comes from the presence of even smaller units, called dipoles.
Report Abuse. The Berlin Wall and the Iron Curtain seemed to be a permanent fixture after 1961. However, on November 9th 1989, the impossible happened: the Berlin Wall opened. This triggered a chain reaction of events, throughout Europe and marked the beginning of the fall of the Soviet empire.est Answer: Because communism failed as a government. The berlin wall fell around in the 1980s but people say that communism started to crumble in the late 1970s, and russia just couldn't keep up its power in other countries like it use to.
Through research, I learned that the Berlin Wall was built to prevent East Germans from crossing over into the West. It was constructed in 1961. It lasted almost thirty years as a symbol between the Communists and the non-Communists.n 1991 the wall had been completely knocked down and Germany was reunited. The Berlin Wall was torn down due to political changes in Europe; Soviet President Mikhail Gorbachev lost his control by 1990, and the Soviet Union fell apart.