I will defend. The threat of nuclear war was very real during the Cold War. No expense could be spared in preventing this.
During the industrial revolution, more people were needed in factories than in farms. This migration from farms to cities was known as the business revolution.
Crusaders participated in the Crusades for a number of reasons beyond just reclaiming the Holy Land for Christianity. Some of those reasons included forgiveness of sins, travel opportunities, the desire of younger nobles to obtain land in the Middle East, establishment of new cultural contacts between the East and West and the establishment of new trade routes and commercial opportunities.
Bacon believed that the scientific method proved things to be right or wrong. He set up an approach in believing everything to be false until you prove it to be true which was called inductive reasoning.
