What are the definitions and significance of the terms below?

What are the definitions and significance of the terms below?

1. welfare capitalists
2. the bretton woods system
3. reciprocal Trade Agreements Act of 1934
4. The Truman Doctrine
5. Multilateralism vs. bilateralism
6. TPP, TTIP, and "megaregional" organization
7. Bilateral investment treaties (BITs)
8. Convergence and divergence in the 1990s
9. Tradable and nontradable goods
10. The impossible trinity
11. Capital Flow Cycle
12. Skill Endowment
13. Unemployment in Europe
14. Fair Trade
15. Out-group anxiety
16. offshore outsourcing