The illustration the question refers to is Death's Dispensary (1866) by George Pinwell. You can see it below.
The correct answer is 2, Victorian England.
It refers to the cholera outbreak that happened in the mid-1800s and spread worldwide. This third wave of cholera in the history of humanity is thought to have started in India. It killed more than a million people in Russia and 646 in Britain.
This outbreak pressed the government to improve the sanitation facilities of the country and impacted heavily the public health system.
It unified and increased the power of the national state. It increased the feeling of French nationalism, and it set a precedent for a democratic French government.
It was because the Germans started the war and Germany is in Europe plus Germany's ally Italy was in Europe. So the allies had to focus in the big part of the war.