What is the fine-grained topic of the following text: economic regime that will quickly change: (a) the collectivization of 95% of East German farms; (b) state ownership of nearly all transportation facilities, industrial plants, foreign trade organizations, and financial institutions; (c) the 65% share in trade of the USSR and other CEMA countries; and (d) the detailed control over economic details exercised by Party and state. Only return the topic.
Transformation of East German Economic System