To the South the proposal was menacing because tariffs might interfere with the free exchange of the produce of plantations in European markets, and navigation acts might confine the carrying trade to American, that is Northern, ships.

对南方而言，该提议具有威胁性，因为关税可能会干扰欧洲市场上种植园产品的自由交易，而航海法可能会将运载贸易限制在美国（即北方）船只。