In 1890, William Booth published 'In Darkest England and the Way Out,' a pivotal work that outlined his vision for social welfare programs aimed at alleviating the plight of the urban poor in England. This publication highlighted the dire conditions faced by many in industrial cities and proposed practical solutions, including employment opportunities and housing reforms. Booth's ideas not only influenced the Salvation Army's social work but also contributed to the broader social reform movements of the time, emphasizing the need for compassion and action in addressing poverty.

Booth's publication of 'In Darkest England' in 1890 brought attention to the dire conditions of the urban poor, inspiring poets such as William Morris and later, the Imagists. This work spurred a wave of humanitarian and protest poetry that sought to address social injustices and advocate for reform.