In case anyone wants VERY THOROUGH information about the “Iran Nuclear Deal” (the JCPOA), you might click this link and read all or some of the 64-page booklet produced by the Arms Control Association, an expert organization.
Or you might want to save it for future reference.
We need to educate the public and Congress in order to prevent Trump from actually starting the war against Iran that he is eager to provoke.
https://www.armscontrol.org/sites/default/files/files/Reports/ACA_Iran-BB_2015%20Aug6_FINAL.pdf