Because we had a president I don't remember his name but he had 15 rules and He wanted peace with everyone.
The correct answer for this question is "c. It makes it harder for labor unions and human rights groups to create trade laws." The criticism of free trade is that it makes it harder for labor unions and human rights groups to create trade laws.
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Answer:
As there is no image to explain from I will briefly describe various effects of Colombian Exchange:
The Exchange was of species and crops between New World and Old World. This had many effects some positive and some negative on both Worlds.
A positive effect was that new crops and species were introduced to both while there were some diseases brought to Native Americans which they had no immunity against resulting in fatalities. Another negative effect was the removal of Native Americans for the economic needs of Europeans leading to the death of many.