D Not A, cause the graph shows the US imported more in 2010 Not B, cause both countries increase in trade Not C, because Mexico economy has increased as well, just not as much--so not at the expense of mexico Letter D because NAFTA was passed between 1990 and 1995, so the imports and exports to and from both countries clearly increased after that time period, at least slightly more than it was beforehand.
<span>You can safely rule out C and D as they are a bit ridiculous. The correct answer is A. In the middle of the growing season, there will be distinct changes, in the form of weeds popping up.</span>
