Hattie Caraway served as acting Senate floor leader.
By May 9, 1940, Hattie Caraway had stepped into the role of acting Senate floor leader, marking the first time a woman had assumed these duties. Her actions during this period not only challenged traditional gender roles within Senate leadership but also set a precedent for future women in politics to aspire to and attain similar influential positions, further emphasizing the shift in accepting female political leadership.