3 "Causality" refers to the concept of causes and effects, and is not used to refer to any specific cause and effect, so "mutual causality" does not make sense. It would be like saying "90-degree angularity" (incorrect) instead of "90-degree angle" (correct). "Mutual causation" is correct but I would not consider it idiomatic.
WFTV: Investigation into cause of Mexican Navy ship, Brooklyn Bridge collision continues
NEW YORK — Officials are still trying to determine what caused a Mexican Navy tall ship to crash into the Brooklyn Bridge. Two crew members on board the than , a training ship, were killed and nearly ...
San Diego Union-Tribune: ICE fears cause Mexican consul in San Diego to scale back Independence Day celebration
Preparations are underway for the 215th anniversary of Mexico’s independence, although some celebrations may look smaller in San Diego County next weekend. Notably, the Mexican Consulate in San Diego ...
ICE fears cause Mexican consul in San Diego to scale back Independence Day celebration
In both situations there is a lack of resources which causes people to die. This sentence should be read as follows: there's a lack of some resources, and it is this lack that's causing deaths. In effect, without those resources people die; the resources help avoid death. Unfortunately, there's a lack of those resources. This sentence makes sense, and is what you probably want to write.
grammar - When should I use "cause" and "causes"? - English Language ...
Or: Is this the only factor that causes such tragedies? In that form, the singular factor matches with the verb causes. Your sentence mixes the plural rooms with the singular factor, making it hard for you to figure out which form the verb cause (s) should take. (This isn’t necessarily ungrammatical, but sometimes this can make a sentence ...