Explanation

NPT stands for Non-Proliferation Treaty

NPT signed: 1968

not a member of the NPT:

• India,
• Israel,
• North Korea,
• Pakistan 
•  South Sudan 

members of the five NPT nuclear-weapon states:

• China
• France
  
• Russia
• The United States
• The United Kingdom

Languages:

• English
• Russian
  
• French
• Spanish
• Chinese

Parties: 190 (complete list)

Iran threatened to withdraw from the Treaty on the NPT 

Explanation

• About Warsaw Treaty Organization 
• Type: defense treaty
• Signatories: Soviet Union and seven other
• Signed: May 1955
• Headquartered: Moscow, Russia

Explanation

Magna Carta Libertatum (Medieval Latin for "Great Charter of Freedoms"), commonly called Magna Carta 

Magna Carta, the English Great Charter, charter of English liberties granted by King John on June 15, 1215.

Under threat of civil war and reissued, with alterations, in 1216, 1217, and 1225.

Purpose: Peace treaty

Explanation

Iran threatened to withdraw from the Treaty on the NPT if European countries bring alleged violations of the historic nuclear deal with world powers to the United Nations Security Council.

The Treaty on the Non-Proliferation of Nuclear Weapons, commonly known as the Non-Proliferation Treaty or NPT,

NPT stands for Non-Proliferation Treaty

NPT signed: 1968

Explanation

The Geneva Convention of 1954 resulted in the division of Vietnam into North and South at the 17th parallel.