Close, but not quite. Police were created solely to protect the interests of landowners. They keep a decorum so that the wealthy can keep hold of their wealth.

Close, but not quite. Police were created solely to protect the interests of landowners. They keep a decorum so that the wealthy can keep hold of their wealth. Landowners (in the US) were also commonly slaveholders, so I can see why you believe what you do. Police forces existed long before Jim Crow laws, and their purposes were always centered around protecting the property of the wealthy.