The correct answer to this open question is the following.
Although there is no question included neither references or attachments, we could say that free trade agreements are signed to increase the opportunities for new trade agreements to reduce the probability of future terrorist attacks to expand human rights to reform immigration policies.
That is the case of the countries that belong to the European Community or here, in the American continent, of was formally know as NAFTA, the North American Free Trade Agreement signed by México, the United States, and Canada. This important trade agreement has benefits for the three countries and strengthens their cooperation. The agreement was revised by the three countries and now has a new name: USMCA, the United States, México, and Canada Agreement.
The allies were Britain, France, Russia, the U.S., and Italy. they fought against the axis powers, Germany, Austria-Hungary, Bulgaria, and Ottoman Empire
Why were they killed? There is not enough information.
The correct answer is A. Self Regulated.
The "invisible hand" refers to the idea that competition between businesses would help in making sure that prices of goods and services remain low. Adam Smith's idea of the invisible hand resulted in several countries using this type of system that had little/no government interference. Smith felt that the competition between businesses would keep prices low and cause businesses to act in the best interest of the consumer.