thE DisputE BEtwEEn north korEA AnD thE unitED stAtEs is mAinly on
A．thE u. s.'s AtomiC AttACk AgAinst north korEA.
B．north korEA's plAn to DEvElop A nuClEAr projECt.
C．thE worlDwiDE proliFErAtion oF nuClEAr wEApons.
D．irAqi' possiBlE proliFErAtion oF nuClEAr wEApons.