The same forces that gave us the Model-T also gave us “Which of the following best completes the sentence?” And the multiple-choice question became an essential tool for the new educational theories of the industrial age.
Wait ... what??? One of the challenges of teaching world history is that events unfold in both time and space. Focus on what was happening all around the world at a given time, and you lose the ability to tell a clear story. But focus on a story as it unfolded in a particular place (say America, France, China or Russia), and you risk putting history into silos.