Step 1: Sadao's Journey to America.
Sadao, the protagonist of the story "The Enemy" by Pearl S. Buck, was sent to America for advanced medical training. His father believed that Sadao, being a bright student, should gain international exposure to become a skilled surgeon. America, known for its advanced medical techniques at the time, was the ideal place for Sadao to study and refine his skills.
Step 2: Conclusion.
Sadao's education in America was essential in shaping him into the skilled doctor he became, capable of applying advanced medical knowledge in his home country.