It's B. East Germany formed an alliance with the Soviet Union
The Cold War began Around 1945 After the other Countries occupied Germany after their loss in world war 2. The soviet union occupied the Eastern Germany, meanwhile The west Germany somehow being backed by the US
The occupational classification that included doctors, lawyers, and dentists in 1880 was the 'professional service' category. It would not be agriculture, fisheries, and mining because those professions are not in that field.
The students gathered to demand greater political openness in 1989
