Read the excerpt below from Interview with Marielle Tsukamoto and answer the question that follows. I think the saddest memory is the day we had to leave our farm. I know my mother and father were worried. They did not know what would happen to us. We had no idea where we would be sent. People were all crying and many families were upset. Some believed we would not be treated well, and maybe killed. There were many disturbing rumors. Everyone was easily upset and there were many arguments. It was a horrible experience for all of us, the old people like my grandparents, my parents and children like me. We were all innocent. The government had no real reason to send us into these camps. There were racists who did not want the Japanese to own land and begin to prosper. Racism, prejudice, greed, and lack of political leadership caused the evacuation and internment. What is the main idea?