Final answer:
Jan Schlichtman changed his mind about pursuing the lawsuit in 'A Civil Action' after meeting the families affected by environmental issues and realizing the case's moral and ethical importance, despite its initial financial impracticality.
Step-by-step explanation:
In the film A Civil Action, the lead character Jan Schlichtman originally did not want to pursue the lawsuit because he believed it was not financially viable for his practice. However, upon meeting the families and recognizing the severity of the environmental issues and the impact on their health, he changed his mind. He realized that the case had substantial moral and ethical implications that went beyond monetary gain. His transformation was triggered by a deep sense of empathy and a reawakened sense of justice, understanding that fighting for the rights of the affected families was the right thing to do, despite initially thinking it was a lost cause from a financial standpoint.