Please provide a Reliable source with your answer. And what country(ies) in the Sahel had gold?

Mali, Burkina Faso and Niger

Explanation:

They seized mining sites since 2016 in areas where the state is weak or absent.

Source: https://www.crisisgroup.org/africa/sahel/burkina-faso/282-reprendre-en-main-la-ruee-vers-lor-au-sahel-central#:~:text=In%20the%20central%20Sahelian%20countries,stretching%20from%20Sudan%20to%20Mauritania.

  b.

there are isolated pockets of farming, generally around rivers and oases, which are used for irrigation.

answer; i believe its (transgender);