Final answer:
One example of an American foundational myth is the story of the Pilgrims and the First Thanksgiving. Myths can be a useful tool for national unity in the modern world because they provide a common narrative and shared values.
Step-by-step explanation:
One example of an American foundational myth is the story of the Pilgrims and the First Thanksgiving. This myth promotes the idea of religious freedom and the harmonious relationship between Native Americans and European settlers. It has become a symbol of American unity and the founding principles of the nation.
Myths can be a useful tool for national unity in the modern world because they provide a common narrative and shared values. They help create a sense of identity and belonging among citizens. However, it is important to critically examine myths and acknowledge their historical inaccuracies to ensure a more accurate understanding of the past.