The adjective sturdy modifies ship. The phrase wine-dark as an adjective modifies sea. Bravely is the adverb, modifying sailed.
sturdy , wine-dark
Jason was a hero, not a god. He sailed in the ship "Argo" in search of the Golden Fleece.
Christopher Columbus sailed across the sea in 1492.
Cabot sailed across the Atlantic Ocean. Cabot believed that he could find a route to Asia by water if he were to sail across this ocean.
atlantic
the artic
The ColumBUS.
Sailed across the ocean blue
Magellan sailed across the ocean in Sept.1519
He sailed west...
They sailed across the North Sea from Norway.