Research one regional trading bloc of which the United States is a member. Describe when the bloc was constituted, which countries are currently members, and which products are included in agreements. What is the economic justification for this trade bloc?

Research one regional trading bloc of which the United States is a member. Describe when the bloc was constituted, which countries are currently members, and which products are included in agreements. What is the economic justification for this trade bloc? Do you agree with the U.S. involvement in this trading bloc? What does the U.S. gain or lose?
Write your response in 400 words or less. Apply current APA standards for writing style to your work. All written assignments and responses should follow APA rules for attributing sources.