The best answer is laissez-faire.
The process of supply and demand is essential to the economic system of laissez-faire which is founded upon an absence of regulations or interference of anything outside of the natural economic interaction. Communism is incorrect because the economic markets are controlled by the government, and socialism is also incorrect because its economic markets are determined by participation, not value.
Matthew C. Perry was the Commodore of the U.S. Navy who compelled the opening of Japan to world trade in 1854, by forcing on the Japanese shogunate the treaty of Kanagawa. Because of his threats and show of force, Japan was pressured to allow trade with the United States through the establishment of a treaty called the Convention of Kanagawa.
The term ‘superpower rivalry’ during this time referred to the United States and Soviet Union, which were about to go into a Cold War due to their different political and economic systems.
