What is the impact of increased foreign trade on the US economy

What is the impact of increased foreign trade on the US economy in terms of what groups gain and lose from free trade? What are the political strengths and weaknesses of these groups?
Argument must be supported by the provided readings and ensure to utilize theoretical ideas, authors, and theorist as the basis for your answer.
List of Supplied Readings
Chapter 3: Classical and Neo-Classical Trade Theory,
Chapter 4: New Trade Theory,
Chapter: 5 Demand for Liberalization versus Protection
Chapter: 6 Supply of Trade policy
Power Point Presentation: Trade Theory
Power Point Presentation: Political Economy of Trade and Protectionism