It was an intelligent man writing about how breaking away from England was a good idea. It inspired people to fight the Revolutionary War because it was....common sense (sorry, that was kind of bad) ;p.
Hope this helps! Please let me know if I'm wrong :)
Columbuses goal was to find a rout to India so we could trade for spices
He set sail westward so he could find Asia and Asia was so significant because their vitamins and minerals increase the lifespan
Spains King Ferdinand and Queen Isabella agreed to finance it
Back in the day these countries were very militant and had different religious doctrines.
Kamikazes were frightening because they were literally suicidal Japanese pilots who had no hesitance to attack during war. They did a great amount of damage with their planes too.