Answer:
1. Depression: A cause of something grave putting everyone into a state of sadness (like the great depression.)
2. a period of temporary economic decline during which trade and industrial activity are reduced, generally identified by a fall in GDP in two successive quarters.
3. Ethnic: relating to a population subgroup (within a larger or dominant national or cultural group) with a common national or cultural tradition.
4. the action or process of appeasing.
5. a system of government that is centralized and dictatorial and requires complete subservience to the state.
6. an authoritarian and nationalistic right-wing system of government and social organization.
7. the deliberate killing of a large group of people, especially those of a particular ethnic group or nation. (Massacre basically)
8. destruction or slaughter on a mass scale, especially caused by fire or nuclear war.
