1N-UNCOUNT 单方面(核)裁军主义Unilateralism is the belief that one country should get rid of all its own nuclear weapons, without waiting for other countries to do the same. 单方面(核)裁军主义
2N-UNCOUNT 单边主义Unilateralism is used to refer to a policy in which one country or group involved in a situation takes a decision or action on its own, without the agreement of the other countries or groups involved. 单边主义
...the recent history of American aggressive unilateralism on trade.