Compléter African EconomyVersion en ligne To describe the economy and politics of Africa specifying the main features of these aspects; and to use the vocabulary related to the topic, and the verbs in the present and present perfect tense to read, write and listen to information about the economy and politics of Africa. par Walter Surmay 1 ethnic phosphates peak commodity Crude oil is the world's most important . Mining is prohibited in the National Park . There are continuing tensions in the region . The climbers made camp halfway up the . the use of nitrates and to fertilize the soi l