The end of conflict could mean the United States will back away from Colombia in terms of investment and assistance, China might try to fill the power gap.

The president of Colombia has announced that a peace deal between the country's government and Farc rebels will be formally signed on 26 September.

The Colombian rebel group, the Farc, has handed over a first group of child soldiers as part of a peace accord signed with the government last month.

A recent study by the Inter-American Development Bank says 83 percent of Colombia’s exports are raw materials, and only 17 percent are manufactured goods.

Colombia’s government and leftist FARC rebels unveiled a final peace deal on Wednesday to end a 50-year-old guerrilla war, one of the world’s longest conflicts which took the resource-rich country to the brink of being a failed state.