During President Barack Obama’s administration, the State Department worked to negotiate and implement the Joint Comprehensive Plan of Action (JCPOA) as a method of limiting Iran’s nuclear ambitions for at least a while. Both Saudi Arabia and Israel see Iran as a threat and opposed the deal. But Obama, along with Secretary of State John Kerry, pushed on with the deal and signed it in 2015.
In 2018, President Trump withdrew the U.S. from the JCPOA and instituted heavy sanctions on Iran. Trump saw the JCPOA as a bad deal and was closer to Israel and Saudi Arabia than the Obama administration was.
After entering office in 2021, Joe Biden wanted to undo as much of President Trump’s policy as possible. As part of this effort he set out to revive the JCPOA deal with Iran. In exchange for Iran coming back into compliance with JCPOA terms, the U.S. would rejoin the pact. There was some disagreement between Iran and the Biden administration about how to go about that, but Biden’s SWtate Department was trying.
Read more here: https://nworeport.me/2023/02/06/biden-adopts-trump-policy-on-iran/