steam power
Fueled by the game-changing use of steam power, the Industrial Revolution began in Britain and spread to the rest of the world, including the United States, by the 1830s and '40s.
It can be related but as we say in social science, correlation is not causation.
As such, D is correct as some believe that using suicide bombing is their way of fulfilling a sacred duty. Suicide bombing is merely the vehicle by which they are fulfilling, however misguided, their religious duty.
Although the effectiveness of these tactics can be question, it was in "a Korea and Indochina" that the Eisenhower administration effectively use brinkmanship, since this was part of the Cold War.
The Louisiana Purchase treaty is an important document in the study of Manifest Destiny because it shows the extent to which the United States was claiming land westward. The correct answer is D.
