In Parliament, Rudnytska was a staunch advocate for Ukraine and criticized the Polish authorities for suppressing Ukrainian culture including their schools and religious institutions. Serving on committees for education and foreign affairs, she gave many speeches and was known as a charismatic orator. In 1931, she was one of three delegates from Ukraine to present the case against the Polish officials to the League of Nations, calling the suppression a "pacification campaign" to silence the Ukrainian minority population. She was also invited to speak on the issue at the British House Of Commons. During the 1932-1933 famine she was elected vice chair of the Public Rescue Committee, and organized meetings including politicians, scientists, and educators to address the issue and provide famine relief. Through her international ties with women's organizations, Rudnytska was selected to seek international aid support and bring the situation to the attention of the League of Nations.