第二次世界大战后国际格局经历了从两极格局到多极化趋势的演变。据此请回答 |
(1)二战后两极格局确立的原因有哪些? ___________________________________________________________________________________________ ___________________________________________________________________________________________ |
(2)促使两极格局向多极化趋势演变的原因有哪些? ___________________________________________________________________________________________ ___________________________________________________________________________________________ ___________________________________________________________________________________________ ___________________________________________________________________________________________ |
(3)当前国际形势出现和平与动荡并存局面的主要原因是什么? ___________________________________________________________________________________________ ___________________________________________________________________________________________ |