21.   North Korea is balking at accepting the reactors from South Korea.

22.   The communist North has refused to accept reactors from its capitalist rival, calling them unsafe.

23.   The North refuses to accept reactors from its rival South Korea.

24.   The North insists that it cannot accept reactors from its southern capitalist rival for political and technical reasons.

25.   The North Korean spokesman denounced recent remarks from U.S. officials that refusal to accept South Korean reactors could scuttle the whole nuclear deal.

26.   The South insists that the North accept the reactors as South Korean-made.

27.   The United States has formed an international consortium to provide reactors of South Korean origin, but North Korea balked at accepting reactors from its rival.

28.   The United States, Japan and South Korea have insisted that North Korea accept South Korean reactors.

29.   However the deal was threatened in April when the North refused to accept South Korean reactors.

30.   But it later balked at accepting South Korean reactors.