Causal
strong strength
Narrative Connection
How these two moments in the story relate
From
Taltalian obstructs while Doctor receives threat
S7E15
·
The Ambassadors of Death Part 4
To
Doctor accuses Taltalian of betrayal
S7E15
·
The Ambassadors of Death Part 4
Why These Connect
The narrative assertion
"The threatening phone call makes the Doctor more suspicious of Taltalian, leading to the Doctor confronting him again in the computer room in the next act."
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.