I think D because it's the most common thing you'll see in many fiction books.
The answer to your question would be the following one:
Cambridge dictionary defines "prevalent" as "existing very common or happening often". As regards "widespread", it states that it means "existing or happening in many places and/or among many people".
With respect to "requisite", Cambridge dictionary states that it is an adjective which means "necessary or needed for a particular purpose". As you can see, "necessary" is part of the definition of "requisite".
Finally, "propagate" is defined as "to spread opinions, lies, or beliefs among a lot of people". As you can see, "spread" is part of the definition of "propagate".
Prevalent: Widespread
Requisite: Necessary
Propagate: Spread
The answer would be C, because him knowing that he can do this to his sister gives him knowledge which then causes him to have power over the situation.
1. religion-"A man's life from birth to death..."
2. gender-"The crime of two kinds,..."
3. tradition vs change-"Obierika was a man who thought..."
4. fear-"sometimes [egwugwu] turned round..."