Palmer played a signficiant role in the effort to legalize contraceptives in Canada. She was arrested and charged for telling women about birth control, but was later acquited after a court ruled that her actions were in the interest of the public good.
After being hired by the International Ladies Garment Workers’ Union, Roback organizes a strike of 5,000 garment workers – a breakthrough union struggle for women in Quebec. In 1943, Roback helped secure the first union contract for over 4,000 workers at a RCA Victor munitions plant — nearly half of the workers were women.
Women's labour was once again needed for war-time production in factories, shipyards, and ammunitions plants. At first, only a single woman was recruited. As demands for war-time production grew, however, childless married women and later women with children were also recruited.
At the time, day care and tax breaks were introduced to incentivize women to work. Women were also needed in the army, and were encouraged to volunteer in support of army services and nursing.
The women’s war effort raised awareness of the important contribution that women made outside of the home – and challenged the stereotype that women were unable to do so-called “men’s work." War work also gave many women financial independence – women realized that they could work outside of the home without neglecting their children.
Originally a secretary at a union office in Quebec, Plamondon was elected president of the Montreal Labour Council in 1955, becoming the first woman to lead a major Canadian labour organization. A year later, she became a vice-president of the newly-formed Canadian Labour Congress (CLC). During her career in the labour movement, Plamondon served as a UFCW Canada international Vice-President, the long-time president of UFCW Canada Local 744P, and as a vice-president of the federal New Democratic Party (NDP).