Cocaleros are the coca leaf growers of Bolivia, Colombia, and Peru. In response to U.S.-funded attempts to eradicate and fumigate coca crops in the Chapare region of Bolivia, cocaleros joined with other grassroots indigenous organizations in the country, such as unionized mine workers and peasants to contest the government. Evo Morales, who became president of Bolivia in 2006, was a leader in the national cocalero movement.