How did they die, well, they never really grew, nothing much happened
at all. Ihad some plants, but no veg on them.

Not enough sun? (most vegetables want full sun).

The other first guess, if the plants were small, is not enough soil
fertility (especially if your soil looks more like clay, sand, etc,
than rich dark soil). One approach is liberal doses of compost,
composted manure, etc. If using more concentrated fertilizers
(chemical fertilizers, organic but more-concentrated ones like fish
emulsion, etc), be careful not to overfertilize. My instinct would be
to amend the soil this fall rather than next spring, to give some
extra composting time.

If the plants were large, but no fruit, that usually means too much
nitrogen. Or not enough sun (but I'm starting to repeat myself).