Causal
strong strength
Narrative Connection
How these two moments in the story relate
From
Doctor sacrifices safety to save companions
S3E21
·
Destruction of Time
To
Chen’s Betrayal and Dalek Extermination Order
S3E21
·
Destruction of Time
Why These Connect
The narrative assertion
"The Dalek Supreme declares their alliance with Chen over, which leads Chen to threaten the Daleks, sealing his fate and leading to his extermination order."
About Causal Connections
A directly causes B. The first event sets forces in motion that produce the second. These are the load-bearing connections of plot--remove one and the story structure collapses.