The correct answer is <em>Raising the tariffs.</em>
Harding administration passed the Emergency Tariff Act in the year 1921. Raised tariffs was mainly on farm products. By raising tariffs on foreign goods, foreign products become more expensive. As a result of the increased prices on foreign goods, the U.S citizens would purchase items manufactured within their own country, in return raising their countries economy.
The Emergency Tariff of 1921, increased rates on wheat, sugar, meat, wool and other agricultural products brought into the United States from foreign nations. Hence, protecting the domestic producers of those items.
The U.S feared that if Japan conquered European colonies in Southeast Asia, it could threaten its control of the Philippines and Guam. As a result, the U.S sent aid to help the Chinese Resistance. Also, Roosevelt cut off supplies of oil to Japan
People who are native to america. They are called that because Columbus thought or another explorer thought that he was in india.
You can check other sources as well