This here's an important decision, Cassie, very important – I want you to understand that – but I think you can handle it. Now, you listen to me, and you listen good. This thing, if you make the wrong decision and Charlie Simms gets involved, then I get involved and there'll be trouble. —Roll of Thunder, Hear My Cry,
Mildred D. Taylor

What cause is described in the passage?

What effect does the cause have?