What is the fine-grained topic of the following text: He says: "World trade, 2030 Agenda, and Migration and refugee flows will be discussed at the summit of the powerful and the important – and the African continent with its 1.2 billion people is almost absent. Only return the topic.
The fine-grained topic of the text is the African continent's absence or lack of representation in a summit discussing world trade, the 2030 Agenda, and migration and refugee flows.