I think what's common between the three is that, these are the turning points where human minds brought about change out of necessity. The ages before those mentioned are periods of great depressions and unfortunate event. So, these fueled the people to change for the better and appreciate science and art more.
Absolute Monarch such as a king or a queen is an example of authoritarian rule. A dictatorship and military junta are also examples of authoritarian rule. Authoritarian governments are not responsible to the people and gernerally do not have a constitution. The power is centered on a single individual or small group with absolute power and authority to rule.
Every passenger on R.M.S Titanic felt they were safe on board. All of a sudden
a disaster was stuck when they were hit into an iceberg in front of them. However the braveness from the crew and captain were astonishing. Hope this helped! :)
Technology helps in dealing with economic emergencies like food shortage and disasters. Technology is used to study the existing environmental conditions in order for farmers to be guided with the right crops to plant at specific seasons to ensure maximum yields. In terms of disasters, technology is used for disaster risk reduction and management. This is done in order to minimize the effects that disasters have on the resources.