Yes. Puppies need at least two small meals a day perhaps more depending on specific needs , age, weight and medical condition.
Any living being, for that matter, will starve to death, if it doesn't get its food for a long period of time. Now, what food is to various beings, depends.
Mother wolves, being depressed at the loss of her children, will occasionally starve themselves to death because of the intense depression.
Prisoners can starve to death even in modern times if nobody gives them food.
I'm not sure where you heard that information, but there is no record of Slim drowning his four pups. Slim is a character in John Steinbeck's novella "Of Mice and Men," and he is portrayed as a compassionate and empathetic ranch worker.
no
No
you die
They starve to death.
Yes
They will if they're not fed properly, or given poor quality feed that they will simply starve to death on.
It takes about a month of not eating to starve to death.
It depends on where you're living.
They starve to death