China was the leading trade partner
The earth’s inner core is a solid ball of iron, nickel and other metals, while the outer core is liquid metal composed of iron and nickel as well. The temperature of the inner core is estimated to be about 5,400 degrees C or 9,800 degrees F, far beyond iron’s melting point.
Among all the countries that you mentioned, Gabon is the country that receives the most rainfall.
It means that the government, instead of free market, determines what is sold and how much it costs.
World maps do have changed during the centuries because we grew in knowledge and technology, but the maps have also been shaped by differences in culture, religion, experience, and geography and also because of different natural disaster