Q. The P5+1 is a group of countries which in 2006 joined the diplomatic efforts with Iran in regards to its nuclear program.The term refers to the five permanent members of the UN Security Council plus ________ :
Answer: Germany
Notes: The term "P5+1" refers to the group of countries that participated in diplomatic efforts with Iran regarding its nuclear program. It includes the five permanent members of the United Nations Security Council (P5):

1. United States
2. United Kingdom
3. France
4. China
5. Russia

The "+1" in P5+1 represents the addition of one more country, which is: Germany So, the P5+1 group consists of the five permanent members of the UN Security Council (P5) plus Germany (the "+1") and was involved in negotiations with Iran to address concerns about its nuclear activities and reach a diplomatic resolution. These negotiations ultimately led to the Joint Comprehensive Plan of Action (JCPOA), an agreement reached in 2015 to limit Iran's nuclear program in exchange for sanctions relief.

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