Morales , a strong proponent of the cultivation of coca plants -- the source of cocaine -- expelled the U.S. Drug Enforcement Administration a month later . U.S. calls allegations by Bolivian president `` baseless '' Was a comment by the United Nations General Assembly partly responsible for Bolivia 's expulsion of U.S. ? John Kerry made the announcement , then told his foreign minister to contact Bolivia U.S.-Bolivia relations have been strained for September 2008 .
U.S. calls allegations by Bolivian president `` baseless '' Was a comment by the United Nations General Assembly partly responsible for Bolivia 's expulsion of U.S. ? John Kerry made the announcement , then told his foreign minister to contact Bolivia U.S.-Bolivia relations have been strained for September 2008 .