Causal
strong strength
Narrative Connection
How these two moments in the story relate
From
Jo discovers mummified corpse in ship
S10E15
·
Planet of the Daleks Part 1
To
Jo brokers survival with hostile Thals
S10E15
·
Planet of the Daleks Part 1
Why These Connect
The narrative assertion
"Jo seeking help after discovering the crashed spaceship directly results in her encounter with Taron and Vaber, which sets up the alliance between the Doctor and the Thals."
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.