Page:The story of Greece told to boys and girls.djvu/192

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of Tempe, between Mount Olympus and Mount Ossa, to try to stop the advance of the Persians.

But there were other ways by which the enemy could slip past the Greeks, so after a time they determined to withdraw from Thessaly. The northern people, being thus left defenceless, hastened to submit to Xerxes while there was still time.