What was the main reason for Arthur Calwell's refusal to grant Gamboa entry to Australia?
Promoting miscegenation
National security
Economic reasons
Personal vendetta
Answer
Arthur Calwell, the Australian Immigration Minister, refused Gamboa's entry to Australia because he believed it would promote miscegenation, or the mixing of different racial groups through marriage or relationships.
Lorenzo Gamboa: The Untold Story - A Filipino-American's Struggle with Australian Immigration