What are some important natural resources South American countries rely on for international trade?

Oil, natural gas, and petroleum products dominate the second group, while linseed oil, cotton, cattle hides, fish meal, wool, copper, tin, iron ore, lead, and zinc top the third group. South American manufactured goods have gained access to world markets as well.

Answer & Explanation:

South America is home to some deposits of oil and natural gas, which are drilled for energy and fuel. Oil and gas extraction is the dominant industry of Venezuela, with major deposits found around Lake Maracaibo and the El Tigre region.