Aconference that resulted in treaties limiting naval construction and preserve peace in the 1920s was held in the city of tokyo, washington, dc, london, moscow.

  Washington D.C.

Explanation:

  It was known as the Washington Naval Conference or also the Washington Disarmament  Conference. It took place between 1921 and 1922 and was called by U.S. President Warren G. Harding. The world´s largest naval powers gathered there to discuss naval disarmament and ways to relieve growing tension in East Asia.

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east-west schism. the greatest effect of the east-west schism was the creation of two separate churches that had previously been unified under one church, the eastern orthodox church and the roman catholic church.

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