Complex sentence: During the Second World War the complex was again ransacked, in 1971 a partial remodeling took place and in 1980 Polish Ministry of Internal Affairs decided to rebuild it and use as a rest area for officers.
Split into simpler sentences: During the Second World War the complex was again ransacked. A partial remodeling took place in 1971, and in 1980 the Polish Ministry of Internal Affairs decided to rebuild it for use as a rest area for officers.