The answer is racism. It is racism because they treated the Europeans from the north more better than Europeans from the south for no reason when they were essentially the same
Based on the information given, it should be noted that the paragraph supports the theme that teens are not necessarily wired to be impulsive.
<h3>What is a theme?</h3>
It should be noted that a theme simply means the main idea that's in a sentence.
The theme in "Teenage brains are malleable and vulnerable" is that teens are not necessarily wired to be impulsive.
The article also stated that it's important to treat depression in teens early.
Learn more about themes on:
brainly.com/question/25336781