I would say the way good and services are traded to foreign countries
153, enacted May 26, 1924), was a United States federal law that prevented immigration from Asia, set quotas on the number of immigrants from the Eastern Hemisphere, and provided funding and an enforcement mechanism to carry out the longstanding ban on other immigrants
The correct answer is letter A
Explanation: Joseph Raymond McCarthy, and the anti-communist crusade he promoted took the nickname of Macarthism.
The so-called “witch hunt” began in 1950. Only between 1953 and early 1954, at the head of the Senate's Subcommittee on Permanent Investigations, McCarthy watched 653 people accused of “being dangerous to social life” - and brought dozens to trial.