Protective tariffs were a key element of the American system. These are tariffs that are enacted aiming to protect a domestic industry. Protective tariffs seek to make imported goods cost more than equivalent goods produced in the country, leading to the rise of sales of domestically produced goods; supporting local industry. Tariffs are also imposed in an attempt to increase government revenue, or to reduce an undesirable activity.
One of the most important elements of Wilson's Fourteen Points was that there needs to be an international system that encourages cooperation between countries (especially in Europe) instead of competition.
The Second Industrial Revolution was a period of rapid industrial development, primarily in Britain, Germany, and the United States, but also in France, the Low Countries, Italy, and Japan. It was characterized by the build out of railroads, large-scale iron and steel<span> production, widespread use of machinery in manufacturing, greatly increased use of steam power, </span><span> use of petroleum and the beginning of </span><span>electrification. However, d</span>uring the second industrial revolution access to raw materials has decreased.
The answer to your question is A. I hope this is the answer that you were looking for.
