Answer:
In statistics, correlation is the general direction and stregth of the collectiveness of the points (general trend) relative to another output of sets.
Causation is an effect caused by an action, correlation doesnt always equal causation.
He wanted it to be used against Japan.
If the movie is perhaps a documentary, then it is telling you factual information of actual events (includes pictures or pictures of actual documents or events); this makes it a primary source.
If the movie is based off of real events, has factual information, but also has added information to create a well-rounded plot, this makes it a secondary source.
