The Treaty of Prague was signed on August 23, 1866, between Austria and the Kingdom of Italy. As a result of this treaty, Austria agreed to cede the territory of Venetia to Italy. This territorial transfer was part of the broader context of the Austro-Prussian War of 1866, also known as the Seven Weeks' War, where Austria faced defeat against Prussia. The treaty contributed to the process of Italian unification, as Venetia was an important region that was integrated into the newly formed Kingdom of Italy.

Napoleon Bonaparte attempted to establish relations with Tipu Sultan, the ruler of the Kingdom of Mysore in Southern India, during the late 18th century. Both leaders shared a common enemy in the British, and there were efforts to form an alliance against British colonial interests in India. However, these diplomatic initiatives did not materialize into concrete military support, as Napoleon's focus shifted to other geopolitical concerns in Europe.

Justice Nagendra Singh served as the President of the International Court of Justice (ICJ) from 1985 to 1988. He is one of the four judges from India to have been inducted in the ICJ which is based in The Hague, Netherlands.

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

The San Francisco Conference, officially known as the United Nations Conference on International Organization, took place from April 25 to June 26, 1945. Therefore, the correct answer is:

(D) 25 April 1945

The San Francisco Conference, also known as the United Nations Conference on International Organization, was held in 1945. During this conference, the final approval and adoption of the United Nations Charter occurred. Delegates from various countries gathered in San Francisco to establish the UN, and the charter, which serves as the foundational document of the organization, was signed on June 26, 1945. This marked a significant step in the post-World War II efforts to promote international cooperation, peace, and security.