Simplify the following text for a Grade 11 native English-speaking person.
Original: It was only later , during the events leading up to France 's 1848 Revolution , that he would begin to rebel against his Catholic Royalist education and instead champion Republicanism and Freethought .
Simplified: The 1848 Revolution made Hugo rebel against his Catholic Royalist education . After that revolution , he prefered Republicanism and Freethought .