Morales on Saturday congratulated local indigenous groups in the southern Bolivia province of Chuquisaca for becoming "territory free of ... American imperialism" after deciding this week to expel the U.S. Agency for International Development, or USAID.
He did not offer futher details.
Earlier this year Bolivian farmers asked USAID to leave the coca-growing Chapare region.
Morales expelled the U.S. ambassador earlier this month, accusing him of encouraging the leftist leader's conservative opposition. The U.S. ambassador has denied the allegations.