When the government wants to build something important like a road, a bridge, or a public park, sometimes they need to use land that belongs to somebody else. If the owner of that land says no, the government can use a special law called the right of eminent domain. This law says that the government has the power to take someone's property if it's for the greater good of the community.
But the government can't just take the land without paying for it. They have to offer the owner a fair price for the property and make sure they're not left without a place to live or work. Even though it might seem like the government is being mean, they're just trying to do what's best for everyone. So, the right of eminent domain means the government can take land from someone else if it's really important, but they have to be fair about it and make sure the owner is compensated.