The Chocó has some of the richest land in Colombia. There is an abundance of water, minerals, and biodiversity. This has also meant significant potential for agricultural businesses. Since 1996, three thousand Afro-descendents and mixed race persons from the Curbaradó and Jiguamiandó River Basins have been displaced by paramilitary groups. About 10 years after being forcibly displaced, these people returned to their land. However, by then, the land was in the hands of others. In order to resist, they established humanitarian zones. Since then, they have had to face threats and murders that attempt to prevent the resistance process of these communities.