Causal
strong strength
Narrative Connection
How these two moments in the story relate
From
Hyksos ambush traps Daleks during exchange
S3E19
·
Escape Switch
To
Hyksos warns of Dalek ambush
S3E19
·
Escape Switch
Why These Connect
The narrative assertion
"The attack enables the Doctor to reveal what he gave Chen was a fake, and how he tricked the Monk and the Daleks."
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.