Why is a pros vs. cons organizational structure useful for a political speech?

According to myth how does the grandmother spider capture the suns child

It's to know your purpose before you read something because a purpose can:

Read the excerpt. “this is a train-servicing station and we have to wait for a train.” he shakes his head. i smile. “it’d be nice if we could get one.” lauren mizock has revised her draft of “train tracks” to convey plot events using