Answer:
D. The United Nations
Step-by-step explanation:
United Nations.
The most effective confederation in recent times is the United Nations. It is a multilateral organization with 193 member states that cooperates to advance global peace, security, and human rights. The World Health Organization, the United Nations Children's Fund, and the United Nations Development Programme are just a few of the organizations and initiatives the UN has to help it accomplish its objectives. The Universal Declaration of Human Rights is one of the numerous international treaties and conventions that the United Nations is also accountable for.