 Pakistan's unwavering and continuous support for the Sunni Taliban organization in Afghanistan after the Soviet withdrawal became a problem for Shi'a Iran which opposed a Taliban-controlled Afghanistan.The Pakistani-backed Taliban fought the Iranian-backed Northern Alliance in Afghanistan and gained control of 90 percent of the country, including the capital city of Kabul.The Taliban established the Islamic Emirate of Afghanistan and began imposing ultraconservative and radical Wahhabi rule.