In 1807 Noah Webster began his greatest work,An American Dictionary of the English Language. In preparing the manuscript, he devoted ten years to the studyof English and its relationship to the other languages, and seven more years to the writing itself. Published in two volumes in 1828, An American Dictionary of the English Language has become the recognized authority for usage in 80 the United States. Webster's purpose in writing it was to demonstrate that the American language was developing distinct meanings, pronunciation, and spelling forms develop instead of the British form develop; theater and centre instead of theater and centre; color and honor instead of colour and honour. When was An American Dictionary of the English Language published? 1817 1807 C 1828 D 1824 E