Sanctions Yemen Houthi rebels Proxies Middle East Israel Retaliation Prisoner Swap Retaliatory Strikes Coup Responsibility Attack Funds Proxy groups Timeline Indirect Negotiations Diplomatic Ties Iranian Revolution Frozen Assets Iranian Revolutionary Guard Corps Militant Backed by Iran Attacks Diplomacy Tensions Financial Aid Military Shah's Regime Gaza Iraq Joe Biden JCPOA Nuclear Program Iranian Elections Houthi Rebels Militant Backed Attacks Hamas Iran-Contra Affair President Mohammad Khatami Axis of Evil Qassem Soleimani Nuclear Deal Retaliatory Actions Comprehensive Negotiation Offer Coordination with Hamas U.S. Embassy in Tehran Islamic Republic Major Prisoner Swap Deal General Qasem Soleimani Frozen Funds Sticking Points Support for Hamas Release of U.S. citizens Threats Militia Syria Agreements