Complex sentence: Charles X reacted by proroguing the Chamber of Deputies and sending them all packing, and then unilaterally changed the electoral laws in an attempt to create a new Chamber of Deputies more favorable to him, and muzzled the press.
Split into simpler sentences: Charles X reacted by proroguing the Chamber of Deputies and sending them all packing. He then unilaterally changed the electoral laws in an attempt to create a new Chamber of Deputies more favorable to him, and muzzled the press.