Final answer:
Sandra Day O'Connor's appointment as the first female Supreme Court justice symbolized women's advancements in the legal field and she contributed to the protection of women's rights on the Court.
Step-by-step explanation:
Sandra Day O'Connor did not directly contribute to or benefit from the 19th Amendment, as she was born in 1930 and the 19th Amendment was ratified in 1920. However, her appointment as the first female Supreme Court justice in 1981 symbolized women's advancements in the legal field and inspired other women to pursue careers in law. Additionally, O'Connor's position on the Court contributed to the protection of women's rights, including the right to abortion, in several important cases.