Sentence Examples


  • Permanent armies and walls across isthmuses were alike useless; Charlemagne had to build fleets to repulse his elusive foes (808810), and even after forty years of war the danger was only postponed.
  • Straits have been formed (I) by fracture across isthmuses, and such may be by longitudinal fracture as in the Strait of Bab-el-Mandeb, or transverse fracture as in the Strait of Gibraltar or Cook Strait; (2) by erosion, e.g.
 
 

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