What are the implications of the U.S.’s return to the Joint Comprehensive Plan of Action (JCPOA) for West Asia? What are the challenges in the U.S’s return to it? 10 marks

Mentor’s comment-

https://indianexpress.com/article/opinion/columns/us-iran-tensions-nuclear-deal-iraq-israel-joe-biden-administration-7208807/
In the intro, mention the U.S.’s unilateral withdrawal from the JCPOA.
In the body, mention the implications such as reduced tensions between in the region, curbing nuclear proliferation, curbing terrorism etc. In the next part, mention the U.S. conditions and disregard of the circumstances which led to Iran’s nuclear programme etc.
Conclude by mentioning the importance of the return of the U.S. and adherence of all parties to the JCPOA.