How would you command someone not to speak (hablar), using the tú command?

Forty years later, the fall of saigon remains a pivotal and emotional event to many. you will now conduct research to find two find two different representations of this historical event. first, you will find an image connected to the fall of saigon. then, you will find a second source of your choosing that represents the same topic

1. what potential advantages could companies like standard oil offer consumers?

Public domain. which of these completes the diagram?