There is no such thing as world war three.
The development of the steam engine....of that is an option. You really should include the choices.
The correct answer is B) fewer trade barriers will lead to increased trade, production, and revenues for all sides.
<em>An argument in favor of free trade is "fewer trade barriers will lead to increased trade, production, and revenues for all sides."</em>
In modern democracies, free trade is a great tool for imports and export goods with attractive revenues for all countries. Fewer trade barriers will lead to increased trade, production, and revenues for all sides, and it's a good foreign policy also, that helps to foster and maintain dimplonat relationships between countries.
A good example can be NAFTA, the North American Free Trade Agreement between Mexico, Canada, and the United States, that was recently renegotiated by the three countries and now exists under the new name of UMSCA, United States, Mexico, and Canada Agreement.
The answer is D. prevent United States
involvement in European wars. The U.S. was still recovering from the
effects of World War I. Many Americans
did not want to be involved in another global conflict. As a result, they adopted a policy of isolationism. Eventually the U.S. got involved in the war
after the Japanese bombing of Pearl Harbor.