The motivating force for something is called __ logic effect abstract fallacy cause

## Step 1
The problem is asking for the term that describes the motivating force for something. The options provided are "logic", "effect", "abstract fallacy", and "cause".
## Step 2
We need to understand the meaning of each term. "Logic" refers to the study of reasoning and argumentation. "Effect" is the result or outcome of a cause. "Abstract fallacy" is a type of logical fallacy that involves making a conclusion based on an abstract or incomplete understanding of the situation. "Cause" is something that brings about an effect or result.
## Step 3
Given the context of the problem, we are looking for a term that describes the motivating force for something. The term "cause" fits this description perfectly, as it is something that brings about an effect or result.