Disarticulation

1. Does "which" in the following context refer to "The contradictory force of the death drive" or "Freud's essay Beyond the Pleasure Principle"?

2. Does "disarticulation" mean more "the collapse of form" than "absence of form"?

Text:

The contradictory force of the death drive is something that Freud would grapple with in his infamous essay ‘Beyond the Pleasure Principle’, 1920, which remains hotly debated and has given rise to numerous interpretations, as well as being of interest to artists due to its concern with the dynamic of repetition, a dynamic which speaks to the tension inherent in creativity between form and its disarticulation which I have been exploring in various guises throughout this book. A useful way of getting a handle on ‘Beyond the Pleasure Principle’ is to say that there are two components of the death drive in Freud...