Part 1. Definition
You are given a sentence in English. Your job is to translate the English sentence into Japanese.
Part 2. Example
And it was primarily because Kiribati realized that this was in their own self-interest to do this.
Answer: 第一にキリバス共和国が彼ら自身の利益になると理解したからです
Explanation: The English sentence is correctly translated into Japanese. Kiribati is correctly translated as キリバス.
Part 3. Exercise
It's the invention of the refrigerator, and the fact that we're no longer eating spoiled meats.
Answer:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
それは冷蔵庫を発明して腐った肉を食べなくなったことです