Complex sentence: Deprived of its nuclear program, North Korea would likely be relegated to a status befitting its insignificant economy and unattractive political system ", therefore" the challenge for other six-party negotiators is to exploit these weaknesses.
Split into simpler sentences: Deprived of its nuclear program, North Korea would likely be relegated to a status befitting its insignificant economy and unattractive political system "." The challenge for other six-party negotiators is to exploit these weaknesses.