What is the fine-grained topic of the following text: Ahmad Shahidov, head of the Azerbaijan Institute for Democracy and Human Rights, described the massacres of 1918 as a genocide committed against all humanity and urged the international community, especially the Western world, to increase the international pressure on the Armenian government and authorities to avoid further incidents. Only return the topic.
Ahmad Shahidov's call for international pressure on the Armenian government regarding the 1918 massacres.