This 'expert blog' seems a bit one-sided, as it mentions Russia influence in Sudan 16 times but United States influence just once. E.g.
https://www.thedailybeast.com/why-is-sudans-genocidal-regime...
> "Today, new protests in Sudan are approaching a new boiling point, and Lyman’s story is history. But it suggests the still very relevant and largely untold story of the relationship between Sudan and the United States—ties largely based on the clout of the powerful intelligence services in both the Trump and Obama administrations."
> "This article is based in part on interviews and documents from 13 current and former American officials serving in the State Department, Pentagon, CIA, and other areas of the U.S. government."
A more balanced perspective would note that at present, Africa is viewed as a natural resource hotspot by all the world's major industrial countries, including China, America and Russia, while African countries are themselves struggling to climb up the value chain (i.e. it's better economically to develop industry yourself rather than to just export raw materials).
See also:
https://www.mei.edu/publications/us-priorities-sudan-stabili...
> "Another source of concern for the Biden administration is Sudan’s part in China’s Belt and Road Initiative. Sudan and China have deep economic ties in various fields, including agriculture, energy, and mining. Sudan’s exports to China in 2020 reached $766 million, accounting for 19% of its total exports and making China its second-largest trading partner."