Reagan's proposed Strategic Defense Initiative was designed to p

Reagan's proposed Strategic Defense Initiative was designed to protect the population of the United States against potential nuclear attacks from ______.
A、China
B、the Soviet Union
C、Japan
D、Germany
【正确答案】：B
【题目解析】：Reagan's proposed Strategic Defense Initiative was designed to protect the population of the United States against potential nuclear attacks from the Soviet Union.参见教材P223。