So imagine you have a group of people. Some of these people may not agree with the leader in charge or have different beliefs or opinions than they do.
Now, the leader wants to get rid of these people because they could be a threat to their power. So they come up with a plan to remove these people from the group.
This plan could involve things like labeling these people as bad or dangerous, getting people to turn against them, or even using violence or force to remove them from the group.
This is called political cleansing of population. It's when a leader or a group in power tries to get rid of people who might challenge them or their ideas, often using unfair or violent means.