In 1845 A.D., German Christian missionaries arrived in Ranchi. These missionaries played a significant role in the establishment and development of Christian missions in the region. Their efforts contributed to the growth of Christianity in Ranchi and the surrounding areas, impacting the local communities and cultural landscape.

1. During the reign of Alauddin Khilji, Mongols attacked Delhi the most number of times.

2. First in the year 1299 and then in 1302-03. Alauddin Khilji built a new garrison town called Siri for his troops.

3. The administrative measures of Muhammad Tughlaq failed.

1. The "Last Supper" was painted by Leonardo da Vinci between 1494 and 1498 in the city of Milan, Italy, depicting the last "supper" between Jesus and his followers.

2. This is a fresco and is approximately 15 feet x 29 feet in size.

  3. The painting still hangs on the wall of the Convent of Maria delle Grazie in Milan.

The United Nations is primarily funded by its member nations. Member states contribute funds to support the regular budget of the United Nations, which covers essential expenses for the organization's operations. Assessments for the regular budget are based on a country's capacity to pay, taking into account its relative wealth and income. Additionally, the UN may receive voluntary contributions for specific programs or initiatives from member nations and other entities. Therefore, the correct answer is:

(D) Member Nations