Answer: B: To expand the meaning of the word American to include all people.
In these lines, Kennedy addresses the question of civil rights, and in particular, the rights of black students to attend white institutions. He implies this in the sentence: "It ought to be possible, therefore, for American students of any color to attend any public institution they select..." The reason why he mentions the troops in his speech is because he wanted to make an analogy between the troops and the students. He argues that if black soldiers are considered American enough to fight abroad, then black students should be considered American enough to attend any college they desire.
After deportation trains arrived at the killing centers, guards ordered the deportees to get out and form a line. The victims then went through a selection process. Men were separated from women and children. A Nazi, usually an SS physician, looked quickly at each person to decide if he or she was healthy and strong enough for forced labor. This SS officer then pointed to the left or the right; victims did not know that individuals were being selected to live or die. Babies and young children, pregnant women, the elderly, the handicapped, and the sick had little chance of surviving this first selection.
It allowed each state to create its own foreign policy.