They disagree with them because they are able to get the most recent technology and the 100 years ago had different things back then.
About 10 percent speak Swahili, the lingua franca of Southeast Africa; about 5 percent speak a Berber dialect; and about 5 percent speak Hausa, which serves as a lingua franca in much of the Sahel. Other important West African languages are Yoruba, Igbo and Fula.
<span>It has devloped new technologies to reduce pollution.
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An online forum. Good Luck :)))