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.
The name of Japanese suicide pilots were called Kamikazes. Kamikazes were "pilots who were trained to ship the Allies ships by crashing bomb-filled planes into them. #believe
The answer to this question is Option C. Get an advanced degree