Andrew Cuomo has become the first US state governor to visit Cuba since a thaw in relations began last year
Mr Cuomo led a delegation of business executives from New York state to the island where he held talks with the Cuban minister for external trade.
He said that the isolation of Cuba had not worked.
Relations between the US and Cuba have improved since the announcement in December that the two countries would work towards restoring diplomatic ties.
US President Barack Obama and his Cuban counterpart, Raul Castro, met earlier this month at a regional summit in Panama.
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