Why did women demand suffrage

How did testimony such as this from the triangle shirtwaist factory disaster affect the workplace?

Which concept is plato expressing in the excerpt below? when men have both done and suffered tyranny, and have had experience of both . . they think that they had better agree among themselves to have neither. . —plato, the republic: book ii

What did the washington naval conference, the nine power treaty, and kellogg-brains pact have in common