1. As the important geo-strategic position and delivery channel of oil and gas resources between Central Asia and Caspian Sea region, Transcaucasian region which was called the Eurasian continent by Halford Mackinder, links the center of Europe and Asia continents.
外高加索地区是中亚和里海地区油气资源的重要输送通道，同时也是联系欧、亚两大洲的中心纽带，地缘战略地位至关重要，被麦金德称为欧亚大陆的中心地带。
2. Especially after Putin came to power, with the growing strength of Russia as a whole, Russia penetrated the Transcaucasian resistance and counterattack against the United States gradually.
特别是普京总统上台以后，随着俄罗斯整体实力的不断增强，对美国在外高加索地区的渗透逐步展开抵抗与反击。