Causal
strong strength
Narrative Connection
How these two moments in the story relate
From
Yates reveals Jo’s capture and Azal’s threat
S8E25
·
The Daemons Part 5
To
Doctor demands machine activation
S8E25
·
The Daemons Part 5
Why These Connect
The narrative assertion
"Learning of Jo's impending sacrifice to Azal drives the Doctor to pressure the Brigadier to speed up their machine operation."
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.