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According to experts, the British accent (23) _______ every 25 miles, and it's thought a lot of the accents have developed as a (24) _______ of geographic location, early settlers and immigration. For example, it's been said that until the mid-1800s Liverpudlians (25) _______ similar to those from Manchester, but once the port industries boomed, the Irish and Welsh languages (26) ____ influenced the accent to give it a different tone. It's also thought that Anglo-Saxons (27) _______ from various parts of Europe and settling in different areas, created their own regional accent.