It is a primary source because the letters are an immediate, first-hand account of the topic (war).
Answer:
It depends on the history of colonialism in the area, but a safe bet is Swahili / French and English.
Explanation:
Near the Cote d'Ivoire and Senegal regions the <u>French</u> had influence for many years, so naturally many Africans there speak French.
<u>English</u> is the current language of business and higher education --everyone wants to know English because it's helpful in trade and commerce.
<u>Swahili</u> is a "lingua franca" in East Africa, which means that it's often used as an intermediate for two people who have their own native tongue (say, Yoruba and Igbo).
Él los ayudó haciendo el suelo fértil para la agricultura.
I believe it’s Pedro Álvares Cabral
Hope it helps : )