The passage discusses the roles and influence of various First Ladies throughout American history. It provides examples of how First Ladies like Bess Truman, Lady Bird Johnson, Abigail Fillmore, Eliza Johnson, Helen Taft, Edith Wilson, and Dolly Madison supported and influenced their husbands and the presidency. It also describes Eleanor Roosevelt's humanitarian work after her husband's presidency, establishing the First Ladies as important figures in American culture who support the presidents and make their own marks through social and political causes.