evidence: The Democratic Republic of Congo (DRC) is the second-largest country in Africa, only behind Algeria, and the 11th largest in the world. With a land area of 905,000 square miles (2.34 million square kilometers), it’s often compared to Europe in size and has a population of over 99 million. [...] Rebel groups control parts of the country, fighting for control over valuable resources such as copper, cobalt, and diamonds.