Visitors from Afghanistan and Uzbekistan will be coming to make professional connections in San Diego exploring the following : Strengthen economic cooperation and trade relationships between Afghanistan and Uzbekistan ; Examine domestic and international economic forces that influence U.S. trade policy and the policy-making process; examine the ideal conditions and challenges integral to facilitating and sustaining cross border commerce , including policy formulation, political relationships, border security, and land and inland water port operations, all in the context of regional trade among states between the U.S., Mexico , and Canada through the North American Free Trade Agreement (NAFTA).