Affect is when something has changed. For example you could say that spring affects your allergies. Effect is the result of something. Another example would be when you didn't pay attention in class, the effect would show in your work or test grades. You use affect as a verb and Effect as a noun
The correct answer is universal truth.
Universal truth is something that should be known to everyone, regardless of their nationality or upbringing. The idea that love conquers all appears in many texts, and it is something that most people, no matter where they live or how old they are, believe in. Therefore, it applies to every nation, and is thus universal.
Answer:D. Cause and effect
Explanation: Cause and effect explains how a certain cause causes other effects to happen.
Hope this helps :)