"The rise of China is a focus of attention around the world. For the Japanese people, 2010 was the year to be remembered as the “China Shock.” China surpassed Japan in gross domestic product (GDP) to become the second greatest economic power in the world. Then, in September, there was the collision with a Chinese fishing boat near the Senkaku Islands, and this incident became the occasion for China to take a hard-line attitude toward Japan in various ways, including export controls on rare earths. "(Quoted from paper)