| 11. | We observed a sudden change around the time of the fortification.
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| 12. | Around 1388, the city's fortifications were strengthened further.
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| 13. | Fortifications were also set up in Taiwan and the Maluku islands.
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| 14. | Fortifications were improved and a new system of visual signalling introduced.
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| 15. | Briand adopted a foreign policy of both peace and defensive fortification.
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| 16. | After fortification, this number declined to around 3, 000.
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| 17. | The first fortifications were built as early as the 10th century.
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| 18. | A militia was organized and fortifications were built on Quincy Street.
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| 19. | The remains of most of these fortifications can still be seen.
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| 20. | In later times fortifications were built both at Plataea and Thebes.
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