The world newst country which was founded on 9 July 2011 is

Correct option is D

• On 9July 20211 South Sudan officially became the world’s newest country after gaining independence from Sudan. The country was formed after a long and brutal civil war, followed by a referendum where the people of South Sudan voted overwhelmingly for independence. South Sudan's independence marked the end of one of Africa's longest-running conflicts.

• South Sudan became the 54th African country and the 193rd member of the United Nations.
• The independence of South Sudan was the result of the Comprehensive Peace Agreement (CPA) signed in 2005, which ended over two decades of civil war between the north (Sudan) and the south (South Sudan).
• Juba is the capital and largest city of South Sudan, and it was also the site of the official declaration of independence.
• The independence referendum was held in January 2011, and more than 98% of South Sudanese voters chose to separate from Sudan.
• South Sudan's independence has been marked by challenges, including ongoing internal conflict, economic instability, and humanitarian crises.
• Despite these challenges, South Sudan continues to work toward political stability and development after over 50 years of conflict.
  

•  Papua New Guinea: Papua New Guinea is an independent country, but it became independent much earlier, in 1975.
•  Myanmar: Myanmar (formerly Burma) has been an independent country since 1948, though it has undergone significant political changes and military rule over the years.
•  Hong Kong: Hong Kong is a Special Administrative Region of China, and it was handed back to China from British rule in 1997, not a new country in 2011.​