"Restrictions on travel to Cuba have been a key and often contentious component in U.S. efforts to isolate Cuba's communist government for much of the past 40 years. Under the Bush Administration, restrictions on travel and on private remittances to Cuba were tightened. In March 2003, the Administration eliminated travel for people-to-people educational exchanges unrelated to academic coursework. In June 2004, the Bush Administration further restricted family and educational travel, eliminated the category of fully-hosted travel, and restricted remittances so that they could only be sent to the remitter's immediate family. Initially there was mixed reaction to the Bush Administration's June 2004 tightening of Cuba travel and remittance restrictions, but opposition to the policy grew, especially within the Cuban American community regarding the restrictions on family travel and remittances."
CRS Report for Congress, RL31139
United States. Department of State, Foreign Press Centers, Bureau of Public Affairs: http://www.fpc.state.gov/