Causal
strong strength
Narrative Connection
How these two moments in the story relate
From
Tegana’s Abduction Attempt and Marco’s Authority
S1E19
·
Mighty Kublai Khan
To
Ian Confesses Theft as Marco Seizes Control
S1E19
·
Mighty Kublai Khan
Why These Connect
The narrative assertion
"Marco's demand for the Tardis key follows directly from the Doctor's emergence and Tegana's attempted attack."
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.