一些分析家将1945年后的时期称为美国领导的、以自由为特征的层级秩序，其中美国提供公共品并在弱国也能赢得话语权的松散的多边规则和机构体系中施展。
Some analysts describe the post-1945 period as a US-led hierarchical order with liberal characteristics, in which the US provided public goods while operating within a loose system of multilateral rules and institutions that gave weaker states a say.