The priestess, Pythia, foretold the how the Greeks' "wooden walls" would keep them safe. It is believed that the "wooden walls" referred to (A) the fortress walls (B)the navy (C)the homes of the Greek people (D) the forests of the Peloponnesian peninsula

(B) the navy

Explanation:

During the time when the Greeks and Persians were in constant wars, Pythia the then priestess of the temple of Apollo, was known for many of his prophesies, among which was the prophecy she made following the Greek defeat at the hand of Thermopylae and Artemisius.

In the prophecy, Pythia made it known that the Athenians should evacuate and that only a "wooden wall" would keep them safe.

After much deliberation, the Athenians concluded that the "wooden wall" of the prophecy means fleet of warships.

Eventually at the battle of salamis, it was with a naval warships the Athens resisted the opposing armies to overran them.

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in the last years of the century, the improvement of steam-based engines the expansion and growth of railroads. this growth increased when the companies started to build and expand, such as the atlantic and pacific railroad, which connected new mexico with california, and missouri with oklahoma. many of these new networks were built in oklahoma, and these changes transportation henceforward.