The Treaty on the Prohibition of Nuclear Weapons, or the Nuclear Weapon Ban Treaty, is the first legally binding global agreement to comprehensively prohibit nuclear weapons, with the goal of leading towards their total elimination.
After the signing ceremony, Onyeama told correspondent of the News Agency of Nigeria (NAN) that Nigeria was in support of the weapons-free world.
The UN had in July adopted Nuclear Weapons Prohibition Treaty in a majority vote by 122 countries, leading toward total elimination of nuclear weapons, while 60 countries boycotted.
Immediately following its adoption, the United States, the United Kingdom and France issued a joint press statement saying that they "have not taken part in the negotiation of the treaty... and do not intend to sign, ratify or ever become party to it".
Earlier in the day, the Treaty on the Prohibition of Nuclear Weapons was opened for signature at the UN General Assembly in NY. So, what has obtained since the Second World War, is a philosophy of mutually-assured destruction, letting the other side know that if they attack you with nuclear weapons, that the result will be 'everybody will go'.
The few countries supportive of the treaty in Europe include Ireland and Austria.
Nigeria's Permanent Representative to the UN, Prof.
At the same time, Guterres, highlighted the hard road ahead by recalling that there remain some 15,000 nuclear weapons in existence.
Supporters of the pact say it's time to push harder toward eliminating atomic weapons than nations have done through the almost 50-year-old Nuclear Non-Proliferation Treaty.
Bande pointed out that resources spent in maintaining nuclear weapons could better be used in other development projects.
UN Secretary-General Antonio Guterres opened a signing ceremony on Wednesday for a ban on developing, testing, manufacturing, purchasing or possessing nuclear weapons.
President Muhammadu Buhari, in his address to the United Nations, said the most pressing threat to worldwide peace and security was accelerated nuclear weapons development programme by North Korea.
U.S. President Donald Trump threatened to "totally destroy" the Asian nation if the U.S.is forced to defend itself or its allies against aggression.
Also Wednesday, the Security Council held a high-level meeting on its far-flung peacekeeping operations.