Causal
strong strength
Narrative Connection
How these two moments in the story relate
From
Broton threatens the Doctor with escalation
S13E2
·
Terror of the Zygons Part 2
To
Doctor identifies Zygon signal device
S13E2
·
Terror of the Zygons Part 2
Why These Connect
The narrative assertion
"Broton's order to recover the trilanic activator and prepare Harry for a 'body print' directly results in Harry being abducted for replication, and Broton's subsequent threat to the Doctor (aware of his interference) demonstrates the Zygon War Lord's paranoia and escalating aggression."
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.