Instruct: Classify the given Amazon review into positive or negative sentiment.
Query: An attempt to bring closure to a complex case

In the early 1960s, NASA was looking to put a research center in Woburn that may have been perceived as competition for funding for New England military bases, like the Boston Navy Yard.The land around the area mentioned by this book was quite controversial and there were many more than 6-8 families affected by cancer in the wake of pollution of the local groundwater. It could have been stopped with the implementation of the Slichter Act, designed for public safety. This book highlights one controversial case involving 3 major companies,WR Grace the primary one along with Beatrice foods. Grace is a company that had at one time a former national security advisor (Zbignew Brezinski), CIA officer (Al Fiers) and Peter Lynch of Fidelity Investments (newspapers listed this info)...