To avoid becoming an aggressive driver, you should:

• Take breaks on long drives
• Not drive when you are angry, upset, or overtired
• Avoid all sorts of alcohol use before driving
• All of the above
  Explanation:

  "To avoid becoming an aggressive driver: 1. Take breaks on long drives. 2. Avoid all alcohol use before driving. 3. Avoid eye contact with a hostile or angry driver. 4. Do not drive when you are angry, upset, or overtired."