Your answer would be the first one. Wavelength: a person's ideas and way of thinking, especially as it affects their ability to communicate with others.
I held many people captive for what they beloved in and it was basically the opposite of what america stands for
I think it's a pun (basically a joke that is related to a specific word, like its meaning or sound) - because it's wordplay about light vs heavy
In this excerpt Marcus faces the conflict that his father doesn't agree with him. This type of conflict is called "Man vs. Man" It is the most common type of conflict in a piece of literature, it is also known as interpersonal conflict. In a man vs. man conflict, the protagonist, Marcus, feels something different than another character or the antagonist. This is the type of conflict that Marcus faces.
Hope this helps! :)