Final answer:
The Women's Social and Political Union (WSPU), a significant entity in the women's suffrage movement in the UK, was established in 1903. The provided texts do not refer to this organization specifically but mention other important women's rights organizations in the US.
Step-by-step explanation:
The Women's Social and Political Union (WSPU) isn't directly mentioned in the provided reference texts. However, from the historical context, the WSPU, a major organization in the women's suffrage movement in the UK, was established in 1903. The texts do mention several other key women's rights organizations in the US, such as the National American Women's Suffrage Association (NAWSA) formed in 1890, and the National Woman's Party (NWP), led by Alice Paul, split from NAWSA and formed in 1913. These organizations were significant in advocating for women's right to vote.
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