Iran could also view the transitions in Central Asia as an opportunity to expand its regional influence, particularly given its close ethnic and cultural ties with Tajikistan and its long border with Turkmenistan. And, like China and Russia, Iran has no desire to see the US fill any security vacuum that could emerge as a result of leadership changes in Central Asia.
伊朗也可能把中亚地区的权力过渡作为扩大其地区影响力的一次机会，特别是考虑到它与塔吉克斯坦间密切的种族文化联系和与土库曼斯坦间漫长的边境线就更是如此。而且与中国和俄国一样，伊朗也不希望看到由美国来填补由中亚领导权力更迭所造成的安全真空。