For which of the following conclusions do both the high price odd free trade and NAFTA a decade of success b provide the clearest evidence

A. NAFTA spurred economic growth but benefits of that growth did not reach all workers
B. NAFTA promised economic success but did not deliver in measurable values
C. NAFTA increased middle class wages at the cost of working class jobs
D. NAFTA encouraged international trade but did not provide long term economic benefits