The answer is Authoritarianism
Tea was not only used as a beverage but also for medicinal purposes, paper and printing allowed for record keeping and communication, gunpowder was used as a propellant in firearms and explosives during warfare, and the compass allowed people to navigate on journeys.
A Sea because thats how it expand better
After WWI, they actually didn't join the League of Nations, which is a reason it fell apart. The answer is D) Isolationist in its diplomatic and political relations.