Why can reversing out of a parking space be dangerous?

• Because it is difficult to see traffic as you move out of the space
  Explanation:

  "Reversing out of a parking space can be dangerous due to limited visibility of oncoming traffic, pedestrians, and obstacles. To reduce risk, always reverse slowly and check your surroundings carefully before moving."
• Because your steering wheel will not turn right during reversing
• Because the signal light will not be operable during reversing
• Because it is easy to steer the wheels during reversing