Free trade is controversial because it can have undesired side effects, such as the use by a nation of slave-labor or building [[military weapons]] to point at other nations. Also, free trade can increase the importation of undesired, concealed illegal [[drugs]]. | Free trade is controversial because it can have undesired side effects, such as the use by a nation of slave-labor or building [[military weapons]] to point at other nations. Also, free trade can increase the importation of undesired, concealed illegal [[drugs]]. |