Young seekers after peace know that only equal trust shown to all the peoples of the earth and not just to a few of them, can lead to the healing of the wounds that tear them apart and so it is essential never to humiliate the members of a nation whose leaders have committed inhuman acts. Essential also is boundless concern for so many men and women who today, as exiles or immigrants, live on foreign soil. If every home was open to somebody of foreign origin, the racial problem would be partially solved.
The theme of the passage is

Options

A. Rigid nationalism alone can help peaceful co-existence
B. Trusting all the peoples of the earth may lead to serious problems
C. Being cautions of others is a must to live in peace
D. Concern for everyone irrespective of the race or country