Answer:
He ate a snack while studying at his desk.
<span>No time at all it is already built.</span>
The option that most effectively completes the sentence is “allowing world nations freedom of choice, within reason, promotes peace”. According to John Kennedy in his speech delivered at the American University, nations (in this case he refers to the Soviet Union) should not try to impose rules on other nations as this interferes with the process of peace and creates tension.
I don't know what the options are to choose from but I'll still try to help
You can usually tell a character's motivation by what they are driven towards in the story. You can see their emotion and what their goals are.