From where did the Qin rulers say their Mandate of Heaven came?

The first Chinese ruler to claim his position and authority came directly from Heaven, which was for the Zhou the supreme divine force, was King Wen of Zhou, the pre-dynastic feudal state in the Wei river valley of China.

By the Treaty of Paris, Spain renounced all claim to Cuba, ceded Guam and Puerto Rico to the United States, and transferred sovereignty over the Philippines to the United States for $20 million. The Spanish-American War was an important turning point in the history of both antagonists.