Complex sentence: The Empire tried to soften the problems with laws to restrict slavery, but finally Brazil abolished the institution on May 13,1888, with a law called "Lei Áurea", sanctioned by imperial parliament and signed by princess Isabel.
Split into simpler sentences: The Empire tried to soften the problems with laws to restrict slavery. Finally Brazil abolished the institution on May 13,1888, with a law called "Lei Áurea", sanctioned by imperial parliament and signed by princess Isabel.