A political alliance is like when you and your friends come together to play a game. Let's say you and your friends want to play tag, but you will only be able to catch each other if you work together. So, you make a deal with your friends that you will help them catch someone if they help you catch someone too. This way, you all can play the game better and have fun together.
Similarly, politicians and political parties come together to form a political alliance. They do this because they want to work together to achieve a common goal. For example, they may want to win an election or bring about a change in a country's laws.
Just like friends in a game, political parties in an alliance pledge to help and support each other. They agree to work together and support each other's policies, even if they don't agree with them entirely. This is important because it gives them more power to achieve their goals than if they worked alone.
But, just like in a game, sometimes alliances can break down if people don't agree or if something goes wrong. It's important to communicate with your friends to try to work things out, and for politicians, it's important to talk and negotiate to keep the alliance strong.