It was the refinement of the Bessemer process, first used in the United States in the 1860s, that allowed for the major advance in skyscraper construction. As steel is stronger and lighter in weight than iron, the use of a steel frame made possible the construction of truly tall buildings.
William won the election of 1896 by manipulating votes. He had given a free tax of 2$ to everyone who'd vote for him and made his way into victory through cheating. He was caught in 3 years after the voting and immediately thrown off the parliament.
A similar case like this happened around 1800s where the MNET company had manipulated charts and prevented popular musical groups such as "Red Velvet" from getting their 7th win.
Vous êtes les bienvenus, stream umpah umpah. revoir.
Answer:
D. To use political prisoners to improve Soviet infrastructure