In the recent years Chad, Guinea, Mali and Sudan caught the international attention for which one of the following reasons common to all of them?

1. The question asks for a common reason why Chad, Guinea, Mali, and Sudan gained international attention in the recent years (roughly 2020-2022). 2. Chad: Experienced a military takeover following the death of President Idriss Déby in April 2021. 3. Guinea: Witnessed a military coup that ousted President Alpha Condé in September 2021. 4. Mali: Underwent two military coups, one in August 2020 and another in May 2021. 5. Sudan: Saw a military coup displace the transitional civilian government in October 2021. 6. Therefore, the common reason for these countries catching international attention during that period was the occurrence of successful coups d'état. 7. Options (A), (B), and (C) do not represent the primary, shared reason for all four countries being in the news simultaneously in this context.