Answer:
they watch and warn others when someone/thing is coming
Explanation:
It's Odysseus and not Ulysses if this is Greek mythology (hence Zeus). That Greek God is Hermes, or Mercury if in Roman mythology (hence ulysses). Use Mercury or Hermes depending if it's Roman or Greek mythology. Determine which one is which as your question mixes the mythologies up.
Answer:
I cant see the whole question
Portuguese control of the spice trade was ended by Muslim attacks from Delhi