Which Statement Best Explains Why China Presents the United States

Which statement best explains why China presents the United States with a different challenge than the Soviet Union once did?

A) Unlike the Soviet Union,China cannot limit U.S.trade in Asia.
B) Unlike the Soviet Union,China does not have an overarching,long-term goal.
C) Unlike the Soviet Union,China is not seeking to spread its system outside of its own boundaries.
D) Unlike the Soviet Union,China does not present the United States with a direct economic threat.