Private Property
Add some preamble that discusses how we live in a world of scarce resources and thus the only way for us to have civilization and prosperity is to have property rights — why do anything when someone can come and steal it from you? Putting arbitrary limits on what you can own falls into Primacy of Consciousness so you can own anything as long as it is obtained without conflict (oxymoron to state it this way since ownership means just direction of the resource)
Starts with self-ownership — you own yourself since you are the only one that can direct its use Arguing against this results in an obvious contradiction (Argumentation Ethics)
From owning ourselves we move onto external resources and there are 3 ways in which one can obtain them