```json
{
  "TragedyDegree": 7,
  "ComedyDegree": 2
}
```

The story of Elizabeth Parker and the town of Eldridge clearly holds significant tragic elements including emotional setbacks from the impact of war, loss, and fear for loved ones. The profound struggles of the residents, Mrs. Thompson's despair, and the poignant memories of Mr. Jensen contribute to the tragedy. However, it is not the deepest level of tragedy, as there is still hope and unity present, hence a score of 7 for TragedyDegree.

As for ComedyDegree, the story lacks comedic elements and doesn't focus on light-hearted or humorous moments. The mention of unity and small acts of kindness could be seen as mildly uplifting, but they are far from making the story emotionally delightful or strongly comedic, resulting in a score of 2 for ComedyDegree.
