Explainer-What are US sanctions on Iran? How can Washington impose more?

Contributing sentiments towards policy:

51% : The U.S. has imposed several sets of sanctions on Iran'sRevolutionary Guard Corps (IRGC), its overseas Quds Force andthe Ministry of Defense and Armed Forces Logistics, as well aspeople and entities it said were associated with them.
47% : Here are details about existing measures against Iran and what the U.S. might do next:WHAT IS THE SCOPE OF EXISTING U.S. SANCTIONS ON IRAN?Washington's sanctions on Iran already ban nearly all U.S. trade with the country, block the government's assets in the U.S. and prohibit U.S. foreign assistance and arms sales, according to the Congressional Research Service (CRS).
45% : Among them is legislation that would increase congressional oversight of sanctions waivers, tighten restrictions on the export of U.S. goods and technology to Iran and require the administration to ensure humanitarian exemptions to the sanctions do not facilitate acts of terrorism or the proliferation of weapons of mass destruction.
22% : WHAT IS CONGRESS CONSIDERING?House Republican leaders have accused President Joe Biden of failing to enforce existing measures and said they would take up a series of bills to sharpen sanctions on Iran.

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