Answer :
The question is asking to choose among the following choices that states the war that was begun the Modern Era, base on my research and further understanding, I would say that the answer would be both the World War 2 and 1. I hope you are satisfied with my answer
World War I began the Modern Era. Option A is correct.
The modern era is the linear, global, historiographical approach to the time frame after post-classical history. Modern history can be divided into distinct periods:
The early modern period began approximately in the early 16th century; notable historical milestones included the European Renaissance, the Age of Discovery, and the Protestant Reformation. Besides, the late modern period began approximately in the mid-18th century.
