A permanent peace be ever-lasting and one built "upon quicksand" will eventually sink into the sand or as realistically be gone (if this is wrong i apologize)
The result of the noise will be a diminished recency effect but no impact on how well the other words in the list are recalled. The recency effect is the occurrence that when people are questioned to remembrance in any sequence the items on a list, those that come at the end of the list are more probable to be remembered than the others.