Which choice best describes data from the graph that weaken the stude…

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To measure whether countries in free trade agreements (FTAs)-agreements among nations to reduce tariffs, duties, and other trade barriers-experience changes in total agricultural exports, economist Kayode Ajewole and colleagues calculated average export growt rates for several countries over the five years before and the five years after entering an FTA with the United States. The grapn shows the results for three countries in the study. Consulting the graph, a student claims that joining an FTA increases the rate of growth of a country's total agricultural exports.

Which choice best describes data from the graph that weaken the student's claim?

Although agricultural exports from Jordan decreased over the five years before JOFTA, a reversal in this trend was observed over the five years after Jordan joined JOFTA.

Over the five years after Guatemala joined CAFTA-DR, agricultural exports from Guatemala grew at a rate of about 20.1 percent, which is higher than the rate over the five years before Guatemala joined the agreement.

All the countries shown had positive growth in agricultural exports over the five years after joining their respective FTAs, but their rates of export growth varied.

Although agricultural exports from Morocco grew over the five years after Morocco joined MAFTA, their growth rate was even higher in the five years before MAFTА.