The correct answer should be <span>b. the Industrial Revolution
It is after this period and during, that labor groups began to organize themselves.</span>
Answer
D is the answer I think. I guessed
Explanation:
John<span> f. Kennedy replaced Eisenhower's concept of massive retaliation with a flexible response strategy.</span>
President John F. Kennedy rejected the strategy of heavy vengeance throughout the Cuban Missile Disaster in partiality of soft acknowledgment.
