I think you worded your question incorrectly; the word to the definition an absence of government is: Anarchy
Answer:
By the use of millitary aircraft during 1948 - 1949.
Explanation:
By using millitary aircraft to supply West Berlin with food, medicines and basic necessities from 1948 to 1949.
Most would say A but that doesn't matter because a lot of black people come from the south. I'd say it's because more of the HISTORY of the south.