The Wagner act is also known as the National Labor Standards act
The answer is B. the United States.
The line is "I pledge allegiance to the flag of the Unites States of America."
After the defeat of Japan in World War II, the United States led the Allies in the occupation and rehabilitation of the Japanese state. Between the years 1945 and 1952, the U.S. occupying forces, led by General Douglas A. MacArthur, enacted widespread military, political, economic, and social reforms.