National treatment and non-discrimination

Which of the following agreements is based on national treatment and non-discrimination: EU, NAFTA,
WTO? Explain your choice.
Is NAFTA a “common market”? Why or why not?
A U.S. company engages in resource extraction is Colombia. Is this “horizontal integration”? Explain.
Do immigrants have a lower labor force participation rate than the native born American workers? Explain.
Did the Bretton Woods Accord set a “floating exchange rate system”? Explain.
Which of the following best describes our present exchange rate system: fixed exchange rate, free float,
managed float? Explain your choice.
(Bonus question: 3 points) Deficit financing in 2008-2009 did not crowd-out private spending. Why?