What raw materials came from Angola?

* Oil: Angola is the second-largest oil producer in sub-Saharan Africa, after Nigeria. The country's oil reserves are estimated to be around 5 billion barrels.

* Diamonds: Angola is the world's fourth-largest producer of diamonds, by volume. The country's diamond mines are located in the northeastern Lunda Norte province.

* Gold: Angola is a significant producer of gold. The country's gold mines are located in the central and southern regions of the country.

* Copper: Angola is a minor producer of copper. The country's copper mines are located in the central and southern regions of the country.

* Iron ore: Angola has significant iron ore reserves, but these have not yet been developed. The country's iron ore deposits are located in the western Benguela province.

* Manganese: Angola has significant manganese reserves, but these have not yet been developed. The country's manganese deposits are located in the southeastern Cuando Cubango province.

* Graphite: Angola has significant graphite reserves, but these have not yet been developed. The country's graphite deposits are located in the southwestern Namibe province.