 Complete the following phrase:  Certain countries rich in natural resources have been said to suffer from the apparently paradoxical resource curse - showing worse economic development than countries with fewer resources. Wealth of resources may also correspond to ... the likelihood of weak democratic development, corruption, and civil war. High levels of corruption lead to great political instability, because whoever controls the assets usually the political leaders and the government, in the case of the Democratic Republic of the Congo can use them for their own benefit. The resources generate wealth, which the leaders use to stay in power ... either through legal means, or coercive ones e.g. funding militias. The increased importance of coltan in electronics occurred as warlords and armies in the eastern Congo converted artisanal mining operations ... into slave labour regimes to earn hard currency to fice their militias, as one anthropological study put it. When much of eastern Congo 