The answer is: They needed the nation to hear and see their story.
In the excerpt from "We Shall Not Be Moved," the strikers need publicity so that everyone can listen to their claims. For example, the text mentions they need photographs and reports from eyewitnesses while they are persecuted aggresively by criminals and the police.
"My love is such that rivers cannot quench." sounds correct.
Do you have a picture of the page so I could read ur
It is an allusion The poem uses Christian imagery regarding the Apocalypse and Second Coming allegorically to describe the atmosphere of post-war Europe.