Final answer:
Vaclav Havel believes that people in difficult situations need hope. Having this helped Walter and his family maintain a positive outlook and find the determination to overcome their hardships.
Step-by-step explanation:
Vaclav Havel believes that people in difficult situations need hope. Having hope can provide individuals with the motivation and strength to persevere through challenging circumstances. In the case of Walter and his family, having hope helped them maintain a positive outlook and find the determination to overcome their hardships. For example, they may have believed that their situation would improve, and this belief gave them the courage to keep going.