It was because Spain liked to steal wealth and riches from different parts of the world, their ship called the Armada sinked in the ocean, and they failed to form a common-wealth government. That is why they were declined World Power.
It was Khufu, the son of Snofru who was able to build the Great Pyramid of Giza which is included in the seven wonders of the world. The Great Pyramid of Giza was 480 feet high which is said to be a staircase to reach the stars.