How has the United Nations responded to nations that have violated the Universal Declaration of Human Rights? Give atleast one specific example, and explain whether or not the UN actions were effective at protecting the rights.

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To know how the United Nations (UN) has responded to nations that have violated the Universal Declaration of Human Rights (UDHR), you could follow these steps:

1. Research the Universal Declaration of Human Rights: Familiarize yourself with the principles and articles outlined in the UDHR. This document serves as a foundation for international human rights standards.

2. Identify relevant cases: Look for instances where nations have violated human rights as defined in the UDHR. Choose one specific example to focus on.

3. Investigate UN action: Find out how the UN responded to the chosen case. This could involve researching resolutions, reports, treaties, or other relevant documents released by the UN.

4. Analyze the effectiveness: Evaluate whether or not the UN actions were effective in protecting human rights in that particular case. Consider factors such as the severity of the violation, the response's impact on the violator's behavior, and the overall improvement in the human rights situation.

An example of a situation where the UN responded to a violation of human rights is the case of South Africa during the apartheid era. Apartheid policies in South Africa segregated and discriminated against non-white populations, violating several UDHR principles.

In response, the UN implemented a series of measures, including embargoes on arms and economic resources, cultural and sports boycotts, and diplomatic pressure on the South African government. Additionally, the UN General Assembly adopted various resolutions condemning apartheid, and the UN Security Council issued a mandatory arms embargo against South Africa.

Ultimately, these efforts contributed to the dismantling of the apartheid system in South Africa. The UN actions played a significant role in isolating the South African government, increasing international awareness of the issue, and providing support to the anti-apartheid movement within the country. While the UN's actions were not the sole factor in ending apartheid, they significantly contributed to the protection and promotion of human rights in South Africa.

It's important to note that the effectiveness of UN actions can vary depending on the specific case and the level of support from member states. Achieving lasting change and successfully protecting human rights often requires a combination of international pressure, domestic movements, and long-term efforts.