When the Japanese bombed Pearl Harbor and the US entered World War II, it ripped open suspicions towards Japanese-Americans who had for may years worked hard to become American citizens. Proof of Loyalty tells the story of Kazuo Yamane, a Japanese Nisei, born in Hawaii to Japanese-born immigrants. Despite suffering prejudice and discrimination, Yamane joined up to fight, and along with other Nisei soldiers valiantly served the US and ultimately helped change the course of history.
