Main Ideas are mostly found at the beginning of the paragraphs. They are the most discussed subject in the topic.
I cant give you a whole essay, but i can tell you the main idea of the book. the main idea of the book was trying to figure out how to finally fix the generator onve and for all, but in doing so, the characters in the book discovers somthing beyond the city of ember...
He wants his readers to know how influential their voice is and the power they hold/will hold not just from a social standpoint but also from a political one. In a democracy we have the right to opinion and preference. The reader wants his people to recognize the beauty in that and fulfill it to the best of their ability.
Side note: this was based on the information in the picture I could be a little off but you can adjust based on what you’ve read from the article.
Another side note:
Do you know physics? I’m struggling.. lol