Answer:
A commemorative speech about Dorothea Dix would focus on celebrating her life and contributions. A suitable example might be:
"Today, we gather to commemorate the remarkable life and legacy of Dorothea Dix, a true pioneer in the field of nursing and mental health. Her unwavering dedication to the well-being of soldiers during the Civil War and her tireless advocacy for the mentally ill have left an indelible mark on our nation's history. Let us remember and honor the incredible work of this compassionate woman who dedicated her life to caring for others and improving the lives of those in need."