Complex sentence: The Massachusetts Supreme Judicial Court ruled against Morris in 1850, a decision cited by the U.S. Supreme Court in support of its Plessy v. Ferguson ruling in 1896, which codified the "separate but equal" standard.
Split into simpler sentences: The Massachusetts Supreme Judicial Court ruled against Morris in 1850. The U.S. Supreme Court later cited the case in support of its Plessy v. Ferguson ruling in 1896, which codified the "separate but equal" standard.