It's no wonder you've spewed such nonsense on this matter given your inability to grasp this fundamental fact.
Both deal with the concept of not allowing lawsuits based on ancient claims. Essentially, these doctrines recognize, among other things, the difficulty in assessing claims beyond a certain age accurately, and the injustice of requiring descendents to pay for the alleged wrongdoing of an ancestor.
Lately, however, between reparations and "Indian Land Claims," these longstanding concepts are being trashed with increasing frequency, in the names of political correctness and feel good politics.
Pretty soon, the only people against whom these laws will apply will be middle aged white business men.
Whatever happened to equal protection under the law?