Suspend: The Euphemism of Ending a Political Campaign

With every presidential candidate that has bid their hopes of the Oval Office adieu we have seen the news "X suspends presidential campaign"
  1. There are three parts to Merriam-Webster's simple definition of suspend
    - to force to leave a job, position, or place for a usually short period of time as a form of punishment. - to stop for a usually short period of time. -to make happen later, to delay
  2. Now the definition does say a usually short period of time.
    Maybe this is the exception?
  3. Can The AP help me out on this?!
    Seriously I want to know why do they say suspend instead of END.
  4. Some other choices instead of suspend
    - throw in the towel - call it quits - FACED REALITY!