 Why did Yuri go back to Cupia?
He had driven the last ant from the face of continental Poros, and had won and wed the Princess Lilla, who had borne him a son to occupy the throne of Cupia. II TOO MUCH STATIC Myles Cabot had returned to the earth to study the latest developments of modern terrestrial science for the benefit of the Cupian nation. The last of the ant-men and their ally, the renegade Cupian Prince Yuri, had presumably perished in an attempt to escape by flying through the steam-clouds which completely hem in continental Poros.
 He wanted to rule both lands
 He was in love with Lilla  He wanted to rule both lands  He was afraid of Myles  He deserted New Formia