The similarities between the laws of torts in the United States of America and England enable one to make an interesting comparison between the two sets of rules applicable to the general defense of necessity. Although both tort systems are derivatives to a greater or lesser extent of the English common law, they have inevitably developed their own individual jurisprudence over the years. Concepts have been refined and extended to produce significant and curious differences which provide an interesting exercise in legal forensic. The similarities of the two tort systems make a comparative study possible, and the differences provide the justification for the analysis
