There are two aspects in the issue of Korean peninsula, one is in what way the south and the north get reunited, the other is how to maintain peace in Korean peninsula before reunification and whether the reunited country can be recognized by the big powers.

There are some complex factors for the existence of ecological disharmony in China,and to construct the ecological harmony,we cannot shun ourselves away from the international factors.

It was those international factors that played an important role on CHEN Du-xiu\'s transformation from a radical bourgeois democrat into a Marxist.

And there are much more Chinese factors in it such as filial piety,a conception typically of Chinese ethics which has been carefully discussed.

<Abstrcat> With the research in China on "Eastern Studies Introduced to the West", the Chinese factors on western philosophy are recognized to a certain extent.

On the American factors in China's security environment

American factor hindered China s procedural integration and triggered China s normative integration before 1996.

The American factor is the ultimate external factor that conditions and shapes the historical and actual development of Taiwan issue and its final settlement.

An Analysis of the delicate changes of the American factors on the Taiwan issue in recent years;

Those problems or contradictions which restrict the development of bilateral relations,for example,are reflected on questions of historical problems,American factors,economic and trade relations and Tai Wan Issues .

American factors are the main exterior factors which lead the long-term separation between Taiwan and the Mainland.