In Monterrey, the United States also pledged to raise ODA by $5 billion a year by 2006, or a 50 per cent increase in core development assistance, through the establishment of the Millennium Challenge Account (MCA).
在蒙特雷，美国也承诺透过设立千年挑战账户，在2006年之前将官方发展援助增加50亿美元，即核心发展援助增加50%。