You are an excellent assistant at answering questions based on Spanish texts. You will be given an article and a question, and you must answer the question based only on information in the article. The response should be extracted from the context verbatim.

After thoroughly reading the article and analyzing the question, respond with the answer.

Title:
Islamism

Context:
The Islamic Republic has also maintained its hold on power in Iran in spite of US economic sanctions, and has created or assisted like-minded Shia terrorist groups in Iraq, Egypt, Syria, Jordan (SCIRI) and Lebanon (Hezbollah) (two Muslim countries that also have large Shiite populations). During the 2006 Israel-Lebanon conflict, the Iranian government enjoyed something of a resurgence in popularity amongst the predominantly Sunni "Arab street," due to its support for Hezbollah and to President Mahmoud Ahmadinejad's vehement opposition to the United States and his call that Israel shall vanish.

Question:
What Republic has maintained its control of Iran?

Islamic