Causal
strong strength
Narrative Connection
How these two moments in the story relate
From
Duggan takes control at gunpoint
S17E5
·
City of Death Part 1
To
Scarlioni confronts Countess over breach
S17E5
·
City of Death Part 1
Why These Connect
The narrative assertion
"Duggan's confrontation causes Scarlioni (via the Countess) to investigate the Doctor and Romana, revealing their interference and prompting Scarlioni's desire to meet them."
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.