Which statement about the 'The International Atomic Energy Agency ' is correct?

All of the above.

The correct answer is Option 4 - All of the above

Option 1- The International Atomic Energy Agency (IAEA) was established in 1957.
Option 2- It came into being to implement US President Dwight Eisenhower’s “Atoms for Peace” proposal.
Option 3- It seeks to promote the peaceful use of nuclear energy and to prevent its use for military purposes. 
Option 4- All of the above.

The International Atomic Energy:

The International Atomic Energy Agency (IAEA) was established in 1957. It came into being to implement US President Dwight Eisenhower’s “Atoms for Peace” proposal. It seeks to promote the peaceful use of nuclear energy and to prevent its use for military purposes. IAEA teams regularly inspect nuclear facilities all over the world to ensure that civilian reactors are not being used for military purposes.