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.
<span> Omar Khayyam is the answer</span>
Answer:
:)
Explanation:
He meant that there was a limit of land Spain had the ability it could control, rather than the amount it could actually be successful controlling, instead of it falling apart.
