Answer:
She became the first female Justice of the Supreme Court.
Step-by-step explanation:
Sandra Day O'Connor's memories are important because she was the first woman to become a US Supreme Court judge. It represents a major victory in women's struggle in a patriarchal country like the US, so her memories are so impactful and important.
O'Connor arrived at the Supreme Court in September 198, named by Republican President Ronald Reagan, and formally left the court in January 2006 to care for her husband.