UN says largest humanitarian crisis since 1945

[Minimalist]

And if you dump it there you will put the surviving farmers out of business worsening the problem in the following year.  Moreover you are talking about countries with no discernible infrastructure where the food convoys have to be guarded from rebel or merely criminal gangs and the continuance of the famine serves the needs of the warring parties each one of whom wants to be seen as the sole savior and will kill whoever they have to in furtherance of that goal.

Wheels within wheels on a problem like this.