Complex sentence: Guizot was a dominant figure in French politics prior to the Revolution of 1848, a conservative liberal who opposed the attempt by King Charles X to usurp legislative power, and worked to sustain a constitutional monarchy following the July Revolution of 1830.
Split into simpler sentences: Guizot was a dominant figure in French politics prior to the Revolution of 1848. A conservative liberal who opposed the attempt by King Charles X to usurp legislative power, he worked to sustain a constitutional monarchy following the July Revolution of 1830.