Have you ever tried two different kinds of soda and decided which one you liked better? Well, imagine if two really big companies were trying to be the best at making soda and they were always trying to be better than each other. That's what we call the "cola wars."
The two biggest soda companies in the world are Coca-Cola and Pepsi. They both make soda that has a lot of sugar and makes people feel happy when they drink it. But they also both want to sell more soda than the other one.
They try to do this by making their soda taste really good and by advertising it a lot. Advertisements are when they make cool commercials or put up signs that make people want to buy their soda. They make their sodas in different flavors and they try to get people to like their brand more than the other brand.
Sometimes, they even play tricks on each other. They might put up a billboard that says their soda is better than the other one, or they might make a commercial that makes fun of the other soda.
In the end, people get to choose which soda they like better based on how it tastes and how they feel about the brand. That's what the "cola wars" are all about, two big soda companies trying to be the best and win over more people to like their soda.