Complex sentence: The petition, when written, was not divided into formal parts, though the structure of the document allows it to be divided into sections, including an introduction, the list of grievances, a statement of the importance of the petition, and a conclusion.
Split into simpler sentences: The petition, when written, was not divided into formal parts. However, the structure of the document allows it to be divided into sections, including an introduction, the list of grievances, statements on the importance of the petition, and a conclusion.