Why are left turns more dangerous than right turns?

• Because the left side lanes are narrower than the right ones
• Because it is hard to turn the steering wheels to the left
• Because in the left turn your vehicle will be crossing the lanes of the oncoming traffic
  Explanation:

  "Left turns can be dangerous because there can be traffic approaching from more than one direction and your vehicle will be crossing the lanes of the oncoming traffic."
• None of the above