You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "which countries remained under soviet control after ww2?" whose answer is Romania.
Each document should contain about 30 words, and these documents should contain useful information.

Query: status of control of countries after ww2
Useful Output:

Doc 1: Abstract. Salient features of the Soviet Union after World War II include rapid economic recovery and the consolidation of Stalin's rule.
Doc 2: The Soviet Union by 1948 had installed communist-leaning governments in Eastern European countries that the USSR had liberated from Nazi control
Doc 3: After the war, Stalin imposed on eastern Europe a new kind of colonial control based on native Communist regimes nominally independent but in
Doc 4: Despite the promises made by Stalin at the Yalta Conference to allow free elections, he had in fact started turning Eastern Europe into a buffer zone close
Doc 5: The leading role occupied by the United States following World War II grew through the creation of the United Nations in 1945. Meeting in San