I think the answer is japan
What’s the passage? I think you have to read the passage first ..
On this day in 1982, President Ronald Reagan declared illicit drugs to be a threat to U.S. national security.
Richard M. Nixon, the president who popularized the term “war on drugs,” first used the words in 1971. However, the policies that his administration implemented as part of the Comprehensive Drug Abuse Prevention and Control Act of 1970 dated to Woodrow Wilson’s presidency and the Harrison Narcotics Tax Act of 1914. This was followed by the creation of the Federal Bureau of Narcotics in 1930.
Confucianism is a Chinese system of beliefs (you could argue it's a religion, but it's more a system of beliefs and philosophy) based on respecting the elders and up-keeping the hierarchical structure of the society.
The correct answer is D!