This is difficult to answer, since all minerals are important in their own way. Each country has its own minerals (some have several) and these form an important source of income for each country.
Diamonds
no
The strait located in the southern part of South America is the Strait of Magellan. It is the most valuable passage between the Pacific and Atlantic oceans.
Most of South America is south of the equator.South of the equator
Yes
copper and coal
Land was the South's most valuable asset after the war.
Fertile Soil
Coal is the most valuable mineral in Pennsylvania. The state has abundant coal reserves, making it a significant contributor to the state's economy and energy production.
The South's commitment to the institution of slavery made is a distinctive society in 1750. Britain thought of the South as the most valuable part of North America.
South America is south of the equator.
Salt and gold.