In addition, the customs institutions of Latvia after the attacks on the United States of America strengthened the border control of persons and goods, especially in respect to the import and export of strategic goods.
此外，在美利坚合众国遭到袭击之后，拉脱维亚海关部门还加强了对人员物资的边界管制，尤其是在战略物资的进出口方面。