If im on the right track then a way to right it with dashes would be: Sacrificing her was a mistake-a mistake that could have been avoided. but i may not have understood the question??
Answer: resources and money
Explanation:when people have money and resources they are able to use that to oppress others, no matter what the inferior may try to do it will be impossible to overpower them without the same money or resources.
An analogy (if there’s “like” or “as” in the sentence it’s a simile though)