Original sentence: The 1917 Constitution of Mexico, resulting from the Mexican Revolution, as well as a similar one instituted by Benito Juarez in 1857 (1857 Constitution of Mexico), reflected a long-standing discontent among some Mexican leaders about what they considered abuses by the Catholic clergy, as well as the view that the Catholic hierarchy had a long history of aligning itself with the wealthy classes at the expense of the poorest classes
Edited sentence: The 1917 Constitution of Mexico, resulting from the Mexican Revolution, as well as a similar one instituted by Benito Juarez in 1857 (1857 Constitution of Mexico), reflected a long-standing discontent among a substantial portion of the Mexican people about abuses committed by some among the Catholic clergy over hundreds of years, as well as the view that the Catholic hierarchy had a long history of aligning itself with the wealthy classes at the expense of the poorest classes