Simplify the following text for a Grade 14 native English-speaking person.
Original: The International Atomic Energy Agency ( IAEA ) is an international organization that seeks to promote the peaceful use of nuclear energy , and to inhibit its use for any military purpose , including nuclear weapons .
Simplified: The organization is intended to monitor and promote the peaceful and safe use of nuclear energy with protection from harmful radiation and , also , to prevent the use of this energy to build nuclear weapons .