Most of the increase in members' agricultural trade, which was only recently brought under the purview of the World Trade Organization, was due to very high trade barriers before NAFTA or other regional trade agreements.
最近、世界貿易機関（WTO）の規律の対象となった加盟国の農業貿易の増加の大半は、NAFTAや他の地域貿易協定の締結の前に非常に高い貿易障壁があったためであった。