"d. The relationship between workers and their employers improved" was not a major change brought about by the Industrial Revolution, since most of the time employers abused their employees with harsh working conditions and long hours.
Answer:
Nikita Khrushchev
Former Premier of the Soviet Union
Over the course of two extremely tense weeks, US President John F. Kennedy and Soviet Premier Nikita Khrushchev negotiated a peaceful outcome to the crisis. The crisis evoked fears of nuclear destruction, revealed the dangers of brinkmanship, and invigorated attempts to halt the arms race.
Explanation:
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Idk how to help you mate :/